51130979472 has 80 divisors (see below), whose sum is σ = 139051421568. Its totient is φ = 16158320640.

The previous prime is 51130979387. The next prime is 51130979479. The reversal of 51130979472 is 27497903115.

51130979472 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 2×51130979472² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (51130979479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80179 + ... + 329682.

Almost surely, 2^51130979472 is an apocalyptic number.

It is an amenable number.

51130979472 is an abundant number, since it is smaller than the sum of its proper divisors (87920442096).

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

51130979472 is a wasteful number, since it uses less digits than its factorization.

51130979472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410008 (or 410002 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

The spelling of 51130979472 in words is "fifty-one billion, one hundred thirty million, nine hundred seventy-nine thousand, four hundred seventy-two".