51710318215485 has 16 divisors (see below), whose sum is σ = 84660614009664. Its totient is φ = 26937468093312.

The previous prime is 51710318215477. The next prime is 51710318215607. The reversal of 51710318215485 is 58451281301715.

It is not a de Polignac number, because 51710318215485 - 2³ = 51710318215477 is a prime.

It is a congruent number.

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, 40085517352 + ... + 40085518641.

It is an arithmetic number, because the mean of its divisors is an integer number (5291288375604).

Almost surely, 2^{51710318215485} is an apocalyptic number.

It is an amenable number.

51710318215485 is a deficient number, since it is larger than the sum of its proper divisors (32950295794179).

51710318215485 is a wasteful number, since it uses less digits than its factorization.

51710318215485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80171036044.

The product of its (nonzero) digits is 1344000, while the sum is 51.

The spelling of 51710318215485 in words is "fifty-one trillion, seven hundred ten billion, three hundred eighteen million, two hundred fifteen thousand, four hundred eighty-five".