5111931564 has 36 divisors (see below), whose sum is σ = 12925152240. Its totient is φ = 1703538720.

The previous prime is 5111931563. The next prime is 5111931611. The reversal of 5111931564 is 4651391115.

5111931564 is a `hidden beast` number, since 5 + 1 + 1 + 1 + 93 + 1 + 564 = 666.

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

It is a super-2 number, since 2×5111931564² = 52263688630038972192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5111931563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143097 + ... + 175215.

Almost surely, 2^5111931564 is an apocalyptic number.

It is an amenable number.

5111931564 is an abundant number, since it is smaller than the sum of its proper divisors (7813220676).

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

5111931564 is a wasteful number, since it uses less digits than its factorization.

5111931564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36550 (or 36545 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 5111931564 is about 71497.7731401475. The cubic root of 5111931564 is about 1722.6419156991.

The spelling of 5111931564 in words is "five billion, one hundred eleven million, nine hundred thirty-one thousand, five hundred sixty-four".