51612634514004 has 96 divisors (see below), whose sum is σ = 123756595200000. Its totient is φ = 16731588099840.

The previous prime is 51612634513981. The next prime is 51612634514011. The reversal of 51612634514004 is 40041543621615.

It is a super-2 number, since 2×51612634514004² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 645125997 + ... + 645205995.

It is an arithmetic number, because the mean of its divisors is an integer number (1289131200000).

Almost surely, 2^{51612634514004} is an apocalyptic number.

It is an amenable number.

51612634514004 is an abundant number, since it is smaller than the sum of its proper divisors (72143960685996).

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

51612634514004 is a wasteful number, since it uses less digits than its factorization.

51612634514004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84173 (or 84171 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 51612634514004 in words is "fifty-one trillion, six hundred twelve billion, six hundred thirty-four million, five hundred fourteen thousand, four".