51630316511612 has 24 divisors (see below), whose sum is σ = 91545911836176. Its totient is φ = 25475051000448.

The previous prime is 51630316511561. The next prime is 51630316511663. The reversal of 51630316511612 is 21611561303615.

It is an interprime number because it is at equal distance from previous prime (51630316511561) and next prime (51630316511663).

It is a self number, because there is not a number n which added to its sum of digits gives 51630316511612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88370753 + ... + 88953080.

It is an arithmetic number, because the mean of its divisors is an integer number (3814412993174).

Almost surely, 2^{51630316511612} is an apocalyptic number.

It is an amenable number.

51630316511612 is a deficient number, since it is larger than the sum of its proper divisors (39915595324564).

51630316511612 is a wasteful number, since it uses less digits than its factorization.

51630316511612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177324797 (or 177324795 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 51630316511612 in words is "fifty-one trillion, six hundred thirty billion, three hundred sixteen million, five hundred eleven thousand, six hundred twelve".