51162604644512 has 24 divisors (see below), whose sum is σ = 102626875593396. Its totient is φ = 25098636239872.

The previous prime is 51162604644433. The next prime is 51162604644559. The reversal of 51162604644512 is 21544640626115.

It can be written as a sum of positive squares in 2 ways, for example, as 50912848584976 + 249756059536 = 7135324^2 + 499756^2 .

It is a super-2 number, since 2×51162604644512² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15083313353 + ... + 15083316744.

Almost surely, 2^{51162604644512} is an apocalyptic number.

It is an amenable number.

51162604644512 is an abundant number, since it is smaller than the sum of its proper divisors (51464270948884).

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

51162604644512 is a wasteful number, since it uses less digits than its factorization.

51162604644512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30166630160 (or 30166630152 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 51162604644512 in words is "fifty-one trillion, one hundred sixty-two billion, six hundred four million, six hundred forty-four thousand, five hundred twelve".