51101570616 has 32 divisors (see below), whose sum is σ = 128228864400. Its totient is φ = 16970531840.

The previous prime is 51101570609. The next prime is 51101570623. The reversal of 51101570616 is 61607510115.

51101570616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51101570609) and next prime (51101570623).

It is a super-2 number, since 2×51101570616² (a number of 22 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 7 ways as a sum of consecutive naturals, for example, 3951225 + ... + 3964136.

Almost surely, 2^51101570616 is an apocalyptic number.

It is an amenable number.

51101570616 is an abundant number, since it is smaller than the sum of its proper divisors (77127293784).

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

51101570616 is a wasteful number, since it uses less digits than its factorization.

51101570616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7915639 (or 7915635 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 33.

The spelling of 51101570616 in words is "fifty-one billion, one hundred one million, five hundred seventy thousand, six hundred sixteen".