51370213373725 has 12 divisors (see below), whose sum is σ = 63705411319284. Its totient is φ = 41092076030720.

The previous prime is 51370213373719. The next prime is 51370213373749. The reversal of 51370213373725 is 52737331207315.

It can be written as a sum of positive squares in 6 ways, for example, as 6161843077636 + 45208370296089 = 2482306^2 + 6723717^2 .

It is not a de Polignac number, because 51370213373725 - 2²³ = 51370204985117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102110764 + ... + 102612613.

It is an arithmetic number, because the mean of its divisors is an integer number (5308784276607).

Almost surely, 2^{51370213373725} is an apocalyptic number.

It is an amenable number.

51370213373725 is a deficient number, since it is larger than the sum of its proper divisors (12335197945559).

51370213373725 is a wasteful number, since it uses less digits than its factorization.

51370213373725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204733424 (or 204733419 counting only the distinct ones).

The product of its (nonzero) digits is 2778300, while the sum is 49.

The spelling of 51370213373725 in words is "fifty-one trillion, three hundred seventy billion, two hundred thirteen million, three hundred seventy-three thousand, seven hundred twenty-five".