51615656001060 has 96 divisors (see below), whose sum is σ = 152161298150400. Its totient is φ = 13037092364160.

The previous prime is 51615656001059. The next prime is 51615656001061. The reversal of 51615656001060 is 6010065651615.

It is an interprime number because it is at equal distance from previous prime (51615656001059) and next prime (51615656001061).

It is a super-2 number, since 2×51615656001060² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51615656001061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1005415 + ... + 10209905.

It is an arithmetic number, because the mean of its divisors is an integer number (1585013522400).

Almost surely, 2^{51615656001060} is an apocalyptic number.

It is an amenable number.

51615656001060 is an abundant number, since it is smaller than the sum of its proper divisors (100545642149340).

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

51615656001060 is a wasteful number, since it uses less digits than its factorization.

51615656001060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209441 (or 9209439 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 51615656001060 in words is "fifty-one trillion, six hundred fifteen billion, six hundred fifty-six million, one thousand, sixty".