51875160631 has 4 divisors (see below), whose sum is σ = 59285897872. Its totient is φ = 44464423392.

The previous prime is 51875160611. The next prime is 51875160679. The reversal of 51875160631 is 13606157815.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51875160631 - 2⁵ = 51875160599 is a prime.

It is a super-2 number, since 2×51875160631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51875160611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3705368610 + ... + 3705368623.

It is an arithmetic number, because the mean of its divisors is an integer number (14821474468).

Almost surely, 2^51875160631 is an apocalyptic number.

51875160631 is a deficient number, since it is larger than the sum of its proper divisors (7410737241).

51875160631 is an equidigital number, since it uses as much as digits as its factorization.

51875160631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410737240.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 51875160631 in words is "fifty-one billion, eight hundred seventy-five million, one hundred sixty thousand, six hundred thirty-one".