51115600516 has 24 divisors (see below), whose sum is σ = 94317073760. Its totient is φ = 24172344000.

The previous prime is 51115600463. The next prime is 51115600517. The reversal of 51115600516 is 61500651115.

51115600516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51115600516² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51115600517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513870 + ... + 605221.

Almost surely, 2^51115600516 is an apocalyptic number.

It is an amenable number.

51115600516 is a deficient number, since it is larger than the sum of its proper divisors (43201473244).

51115600516 is a wasteful number, since it uses less digits than its factorization.

51115600516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119715 (or 1119713 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 51115600516 in words is "fifty-one billion, one hundred fifteen million, six hundred thousand, five hundred sixteen".