51207160332500 has 60 divisors (see below), whose sum is σ = 111988574025636. Its totient is φ = 20481262560000.

The previous prime is 51207160332457. The next prime is 51207160332527. The reversal of 51207160332500 is 523306170215.

It can be written as a sum of positive squares in 10 ways, for example, as 19879452815044 + 31327707517456 = 4458638^2 + 5597116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31438160 + ... + 33026840.

Almost surely, 2^{51207160332500} is an apocalyptic number.

51207160332500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51207160332500 is an abundant number, since it is smaller than the sum of its proper divisors (60781413693136).

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

51207160332500 is a wasteful number, since it uses less digits than its factorization.

51207160332500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601598 (or 1601581 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 51207160332500 in words is "fifty-one trillion, two hundred seven billion, one hundred sixty million, three hundred thirty-two thousand, five hundred".