51157327412931 has 8 divisors (see below), whose sum is σ = 69227826151104. Its totient is φ = 33595856808360.

The previous prime is 51157327412909. The next prime is 51157327413061. The reversal of 51157327412931 is 13921472375115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51157327412931 - 2⁵ = 51157327412899 is a prime.

It is a super-2 number, since 2×51157327412931² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51157327412431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127257033165 + ... + 127257033566.

It is an arithmetic number, because the mean of its divisors is an integer number (8653478268888).

Almost surely, 2^{51157327412931} is an apocalyptic number.

51157327412931 is a deficient number, since it is larger than the sum of its proper divisors (18070498738173).

51157327412931 is a wasteful number, since it uses less digits than its factorization.

51157327412931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254514066801.

The product of its digits is 1587600, while the sum is 51.

The spelling of 51157327412931 in words is "fifty-one trillion, one hundred fifty-seven billion, three hundred twenty-seven million, four hundred twelve thousand, nine hundred thirty-one".