B Major 9#11, 5th inversion (E# in the bass)
Also written as Bmaj9#11/E#.
Notes, from the bass up
E# (bass)BD#F#A#C#
The same notes as B Major 9#11 (E#, B, D#, F#, A# and C#), rearranged so E# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.