51254075140904 has 16 divisors (see below), whose sum is σ = 97052889810420. Its totient is φ = 25373304524800.

The previous prime is 51254075140813. The next prime is 51254075140949. The reversal of 51254075140904 is 40904157045215.

It can be written as a sum of positive squares in 2 ways, for example, as 45317104312804 + 5936970828100 = 6731798^2 + 2436590^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31716629849 + ... + 31716631464.

Almost surely, 2^{51254075140904} is an apocalyptic number.

It is an amenable number.

51254075140904 is a deficient number, since it is larger than the sum of its proper divisors (45798814669516).

51254075140904 is a wasteful number, since it uses less digits than its factorization.

51254075140904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63433261420 (or 63433261416 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 51254075140904 in words is "fifty-one trillion, two hundred fifty-four billion, seventy-five million, one hundred forty thousand, nine hundred four".