51630367085913 has 48 divisors (see below), whose sum is σ = 87434336459520. Its totient is φ = 26798064602400.

The previous prime is 51630367085911. The next prime is 51630367085929. The reversal of 51630367085913 is 31958076303615.

51630367085913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51630367085913 - 2¹ = 51630367085911 is a prime.

It is a super-2 number, since 2×51630367085913² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51630367085911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11740023 + ... + 15527036.

It is an arithmetic number, because the mean of its divisors is an integer number (1821548676240).

Almost surely, 2^{51630367085913} is an apocalyptic number.

It is an amenable number.

51630367085913 is a deficient number, since it is larger than the sum of its proper divisors (35803969373607).

51630367085913 is a wasteful number, since it uses less digits than its factorization.

51630367085913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27268258 (or 27268251 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 57.

The spelling of 51630367085913 in words is "fifty-one trillion, six hundred thirty billion, three hundred sixty-seven million, eighty-five thousand, nine hundred thirteen".