51860978130 has 64 divisors (see below), whose sum is σ = 134863182720. Its totient is φ = 12687446016.

The previous prime is 51860978129. The next prime is 51860978171. The reversal of 51860978130 is 3187906815.

51860978130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51860978130² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51860978130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344335 + ... + 471474.

It is an arithmetic number, because the mean of its divisors is an integer number (2107237230).

Almost surely, 2^51860978130 is an apocalyptic number.

51860978130 is an abundant number, since it is smaller than the sum of its proper divisors (83002204590).

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

51860978130 is a wasteful number, since it uses less digits than its factorization.

51860978130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815995.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 51860978130 in words is "fifty-one billion, eight hundred sixty million, nine hundred seventy-eight thousand, one hundred thirty".