51086745853388 has 12 divisors (see below), whose sum is σ = 102173491706832. Its totient is φ = 21894319651440.

The previous prime is 51086745853379. The next prime is 51086745853433. The reversal of 51086745853388 is 88335854768015.

51086745853388 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

51086745853388 is an admirable number.

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, 912263318783 + ... + 912263318838.

It is an arithmetic number, because the mean of its divisors is an integer number (8514457642236).

Almost surely, 2^{51086745853388} is an apocalyptic number.

It is an amenable number.

51086745853388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51086745853388 is a wasteful number, since it uses less digits than its factorization.

51086745853388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824526637632 (or 1824526637630 counting only the distinct ones).

The product of its (nonzero) digits is 774144000, while the sum is 71.

The spelling of 51086745853388 in words is "fifty-one trillion, eighty-six billion, seven hundred forty-five million, eight hundred fifty-three thousand, three hundred eighty-eight".