51372320358504 has 32 divisors (see below), whose sum is σ = 130854023557920. Its totient is φ = 16801010431296.

The previous prime is 51372320358467. The next prime is 51372320358523. The reversal of 51372320358504 is 40585302327315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20193520882 + ... + 20193523425.

It is an arithmetic number, because the mean of its divisors is an integer number (4089188236185).

Almost surely, 2^{51372320358504} is an apocalyptic number.

It is an amenable number.

51372320358504 is an abundant number, since it is smaller than the sum of its proper divisors (79481703199416).

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

51372320358504 is a wasteful number, since it uses less digits than its factorization.

51372320358504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40387044369 (or 40387044365 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 51372320358504 in words is "fifty-one trillion, three hundred seventy-two billion, three hundred twenty million, three hundred fifty-eight thousand, five hundred four".