51337677474225 has 18 divisors (see below), whose sum is σ = 91951484543126. Its totient is φ = 27380094652800.

The previous prime is 51337677474143. The next prime is 51337677474269. The reversal of 51337677474225 is 52247477673315.

51337677474225 is a `hidden beast` number, since 5 + 1 + 3 + 3 + 76 + 77 + 474 + 2 + 25 = 666.

51337677474225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 505811129616 + 50831866344609 = 711204^2 + 7129647^2 .

It is not a de Polignac number, because 51337677474225 - 2¹² = 51337677470129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 114083727496 + ... + 114083727945.

Almost surely, 2^{51337677474225} is an apocalyptic number.

It is an amenable number.

51337677474225 is a deficient number, since it is larger than the sum of its proper divisors (40613807068901).

51337677474225 is a wasteful number, since it uses less digits than its factorization.

51337677474225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228167455457 (or 228167455449 counting only the distinct ones).

The product of its digits is 207446400, while the sum is 63.

The spelling of 51337677474225 in words is "fifty-one trillion, three hundred thirty-seven billion, six hundred seventy-seven million, four hundred seventy-four thousand, two hundred twenty-five".