51630132625165 has 8 divisors (see below), whose sum is σ = 62028792401688. Its totient is φ = 41255683932480.

The previous prime is 51630132625139. The next prime is 51630132625171. The reversal of 51630132625165 is 56152623103615.

It can be written as a sum of positive squares in 4 ways, for example, as 845653124836 + 50784479500329 = 919594^2 + 7126323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51630132625165 - 2¹⁷ = 51630132494093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6052766266 + ... + 6052774795.

It is an arithmetic number, because the mean of its divisors is an integer number (7753599050211).

Almost surely, 2^{51630132625165} is an apocalyptic number.

It is an amenable number.

51630132625165 is a deficient number, since it is larger than the sum of its proper divisors (10398659776523).

51630132625165 is a wasteful number, since it uses less digits than its factorization.

51630132625165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12105541919.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 51630132625165 in words is "fifty-one trillion, six hundred thirty billion, one hundred thirty-two million, six hundred twenty-five thousand, one hundred sixty-five".