11101993955 has 16 divisors (see below), whose sum is σ = 14356179264. Its totient is φ = 8193260160.

The previous prime is 11101993921. The next prime is 11101993963. The reversal of 11101993955 is 55939910111.

It is a Cunningham number, because it is equal to 105366²-1.

It is not a de Polignac number, because 11101993955 - 2²² = 11097799651 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52682 + ... + 158048.

It is an arithmetic number, because the mean of its divisors is an integer number (897261204).

Almost surely, 2^11101993955 is an apocalyptic number.

11101993955 is a deficient number, since it is larger than the sum of its proper divisors (3254185309).

11101993955 is a wasteful number, since it uses less digits than its factorization.

11101993955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107006.

The product of its (nonzero) digits is 54675, while the sum is 44.

The spelling of 11101993955 in words is "eleven billion, one hundred one million, nine hundred ninety-three thousand, nine hundred fifty-five".