51307495572612 has 48 divisors (see below), whose sum is σ = 120031063326720. Its totient is φ = 17057706551808.

The previous prime is 51307495572589. The next prime is 51307495572643. The reversal of 51307495572612 is 21627559470315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100120428 + ... + 100631580.

It is an arithmetic number, because the mean of its divisors is an integer number (2500647152640).

Almost surely, 2^{51307495572612} is an apocalyptic number.

It is an amenable number.

51307495572612 is an abundant number, since it is smaller than the sum of its proper divisors (68723567754108).

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

51307495572612 is a wasteful number, since it uses less digits than its factorization.

51307495572612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533052 (or 533050 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 57.

The spelling of 51307495572612 in words is "fifty-one trillion, three hundred seven billion, four hundred ninety-five million, five hundred seventy-two thousand, six hundred twelve".