51232362615 has 96 divisors (see below), whose sum is σ = 103042547712. Its totient is φ = 23064480000.

The previous prime is 51232362607. The next prime is 51232362619. The reversal of 51232362615 is 51626323215.

51232362615 is a `hidden beast` number, since 5 + 1 + 2 + 3 + 2 + 36 + 2 + 615 = 666.

It is not a de Polignac number, because 51232362615 - 2³ = 51232362607 is a prime.

It is a super-2 number, since 2×51232362615² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51232362615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51232362619) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6072450 + ... + 6080880.

It is an arithmetic number, because the mean of its divisors is an integer number (1073359872).

Almost surely, 2^51232362615 is an apocalyptic number.

51232362615 is an abundant number, since it is smaller than the sum of its proper divisors (51810185097).

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

51232362615 is a wasteful number, since it uses less digits than its factorization.

51232362615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8741 (or 8738 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 51232362615 in words is "fifty-one billion, two hundred thirty-two million, three hundred sixty-two thousand, six hundred fifteen".