What number should replace the question mark in the series: 11, 13, 29, 91, 369, ?

The next term is 1851.

Each term is the previous term times a rising factor plus a rising add.

11 x 1 + 2 = 13; 13 x 2 + 3 = 29; 29 x 3 + 4 = 91.

91 x 4 + 5 = 369.

369 x 5 + 6 = 1851.