91011131114 has 12 divisors (see below), whose sum is σ = 141386498214. Its totient is φ = 43936407312.

The previous prime is 91011131087. The next prime is 91011131117. The reversal of 91011131114 is 41113111019.

It can be written as a sum of positive squares in 3 ways, for example, as 90942655489 + 68475625 = 301567^2 + 8275^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 91011131114.

It is not an unprimeable number, because it can be changed into a prime (91011131117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27052757 + ... + 27056120.

Almost surely, 2^91011131114 is an apocalyptic number.

91011131114 is a deficient number, since it is larger than the sum of its proper divisors (50375367100).

91011131114 is a wasteful number, since it uses less digits than its factorization.

91011131114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54108937 (or 54108908 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 23.

The spelling of 91011131114 in words is "ninety-one billion, eleven million, one hundred thirty-one thousand, one hundred fourteen".