51130566315 has 12 divisors (see below), whose sum is σ = 88626315024. Its totient is φ = 27269635344.

The previous prime is 51130566313. The next prime is 51130566337. The reversal of 51130566315 is 51366503115.

51130566315 is a `hidden beast` number, since 5 + 1 + 13 + 0 + 5 + 6 + 631 + 5 = 666.

It is not a de Polignac number, because 51130566315 - 2¹ = 51130566313 is a prime.

It is a super-2 number, since 2×51130566315² (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 51130566315.

It is not an unprimeable number, because it can be changed into a prime (51130566313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568117359 + ... + 568117448.

It is an arithmetic number, because the mean of its divisors is an integer number (7385526252).

Almost surely, 2^51130566315 is an apocalyptic number.

51130566315 is a deficient number, since it is larger than the sum of its proper divisors (37495748709).

51130566315 is a wasteful number, since it uses less digits than its factorization.

51130566315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136234818 (or 1136234815 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 51130566315 in words is "fifty-one billion, one hundred thirty million, five hundred sixty-six thousand, three hundred fifteen".