51204327117 has 16 divisors (see below), whose sum is σ = 69238646400. Its totient is φ = 33655790592.

The previous prime is 51204327089. The next prime is 51204327133. The reversal of 51204327117 is 71172340215.

It is not a de Polignac number, because 51204327117 - 2¹² = 51204323021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51204327917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257992 + ... + 411057.

It is an arithmetic number, because the mean of its divisors is an integer number (4327415400).

Almost surely, 2^51204327117 is an apocalyptic number.

It is an amenable number.

51204327117 is a deficient number, since it is larger than the sum of its proper divisors (18034319283).

51204327117 is a wasteful number, since it uses less digits than its factorization.

51204327117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669412.

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 51204327117 in words is "fifty-one billion, two hundred four million, three hundred twenty-seven thousand, one hundred seventeen".