51715479251258 has 16 divisors (see below), whose sum is σ = 78092220683520. Its totient is φ = 25684762146000.

The previous prime is 51715479251213. The next prime is 51715479251281. The reversal of 51715479251258 is 85215297451715.

It is a self number, because there is not a number n which added to its sum of digits gives 51715479251258.

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, 1294193 + ... + 10252116.

It is an arithmetic number, because the mean of its divisors is an integer number (4880763792720).

Almost surely, 2^{51715479251258} is an apocalyptic number.

51715479251258 is a deficient number, since it is larger than the sum of its proper divisors (26376741432262).

51715479251258 is a wasteful number, since it uses less digits than its factorization.

51715479251258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11561293.

The product of its digits is 35280000, while the sum is 62.

The spelling of 51715479251258 in words is "fifty-one trillion, seven hundred fifteen billion, four hundred seventy-nine million, two hundred fifty-one thousand, two hundred fifty-eight".