11157614931 has 16 divisors (see below), whose sum is σ = 15227172224. Its totient is φ = 7263333504.

The previous prime is 11157614873. The next prime is 11157614933. The reversal of 11157614931 is 13941675111.

It is not a de Polignac number, because 11157614931 - 2⁷ = 11157614803 is a prime.

It is a super-2 number, since 2×11157614931² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11157614931.

It is not an unprimeable number, because it can be changed into a prime (11157614933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528480 + ... + 549186.

It is an arithmetic number, because the mean of its divisors is an integer number (951698264).

Almost surely, 2^11157614931 is an apocalyptic number.

11157614931 is a deficient number, since it is larger than the sum of its proper divisors (4069557293).

11157614931 is a wasteful number, since it uses less digits than its factorization.

11157614931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24930.

The product of its digits is 22680, while the sum is 39.

The spelling of 11157614931 in words is "eleven billion, one hundred fifty-seven million, six hundred fourteen thousand, nine hundred thirty-one".