51204582810816 has 28 divisors (see below), whose sum is σ = 135478792020792. Its totient is φ = 17068194270208.

The previous prime is 51204582810743. The next prime is 51204582810893. The reversal of 51204582810816 is 61801828540215.

51204582810816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 133345267545 + ... + 133345267928.

Almost surely, 2^{51204582810816} is an apocalyptic number.

It is an amenable number.

51204582810816 is an abundant number, since it is smaller than the sum of its proper divisors (84274209209976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51204582810816 is a wasteful number, since it uses less digits than its factorization.

51204582810816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266690535488 (or 266690535478 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 51.

The spelling of 51204582810816 in words is "fifty-one trillion, two hundred four billion, five hundred eighty-two million, eight hundred ten thousand, eight hundred sixteen".