91103313012012 has 36 divisors (see below), whose sum is σ = 263187348702096. Its totient is φ = 26029518003360.

The previous prime is 91103313012001. The next prime is 91103313012191. The reversal of 91103313012012 is 21021031330119.

91103313012012 is a `hidden beast` number, since 9 + 1 + 1 + 0 + 331 + 301 + 20 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180760541439 + ... + 180760541942.

Almost surely, 2^{91103313012012} is an apocalyptic number.

It is an amenable number.

91103313012012 is an abundant number, since it is smaller than the sum of its proper divisors (172084035690084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91103313012012 is a wasteful number, since it uses less digits than its factorization.

91103313012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361521083398 (or 361521083393 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 91103313012012 in words is "ninety-one trillion, one hundred three billion, three hundred thirteen million, twelve thousand, twelve".