It's a standard 90. Cohabitants of note is a Powder blue (about same size) and Chrysurus angel (slightly smaller).
Re: together with the Majestic
If the Majestic is the same size they may coexist - but honestly, likely just for the short term. Hard to mix the 'large' angels short of a huge tank; 180 is a start, but you may be in my position sooner that you wanted and need to let go of one. The growth rate of my queen was surprising - seemed awfully fast! The Chrysurus and the Queen got along in the early stages, but the Queen having caught up size-wise is asserting dominance. My Chrysurus is also very passive; not sure about Majestics.
Re: corals
There's a wall hammer, a torch, and mushrooms the Queen does not touch.
She does harass an elegance, nips on a toadstool, and picks on gsp.
But she is just so beautiful!