51477165126 has 12 divisors (see below), whose sum is σ = 111533857812. Its totient is φ = 17159055036.

The previous prime is 51477165119. The next prime is 51477165137. The reversal of 51477165126 is 62156177415.

51477165126 is a `hidden beast` number, since 5 + 1 + 477 + 165 + 12 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1429921236 + ... + 1429921271.

It is an arithmetic number, because the mean of its divisors is an integer number (9294488151).

Almost surely, 2^51477165126 is an apocalyptic number.

51477165126 is an abundant number, since it is smaller than the sum of its proper divisors (60056692686).

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

51477165126 is a wasteful number, since it uses less digits than its factorization.

51477165126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859842515 (or 2859842512 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The spelling of 51477165126 in words is "fifty-one billion, four hundred seventy-seven million, one hundred sixty-five thousand, one hundred twenty-six".