51112531504 has 20 divisors (see below), whose sum is σ = 99455560776. Its totient is φ = 25446580352.

The previous prime is 51112531433. The next prime is 51112531531. The reversal of 51112531504 is 40513521115.

51112531504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51112531504² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6851494 + ... + 6858949.

Almost surely, 2^51112531504 is an apocalyptic number.

It is an amenable number.

51112531504 is a deficient number, since it is larger than the sum of its proper divisors (48343029272).

51112531504 is a wasteful number, since it uses less digits than its factorization.

51112531504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13710684 (or 13710678 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 51112531504 in words is "fifty-one billion, one hundred twelve million, five hundred thirty-one thousand, five hundred four".