F# Major 9#11, 4th inversion (G# in the bass)
Also written as F#maj9#11/G#.
Notes, from the bass up
G# (bass)B#F#A#C#E#
The same notes as F# Major 9#11 (G#, B#, F#, A#, C# and E#), rearranged so G# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.