51368412611748 has 12 divisors (see below), whose sum is σ = 119859629427440. Its totient is φ = 17122804203912.

The previous prime is 51368412611743. The next prime is 51368412611749. The reversal of 51368412611748 is 84711621486315.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51368412611743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140350525478 + ... + 2140350525501.

Almost surely, 2^{51368412611748} is an apocalyptic number.

It is an amenable number.

51368412611748 is an abundant number, since it is smaller than the sum of its proper divisors (68491216815692).

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

51368412611748 is a wasteful number, since it uses less digits than its factorization.

51368412611748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280701050986 (or 4280701050984 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The spelling of 51368412611748 in words is "fifty-one trillion, three hundred sixty-eight billion, four hundred twelve million, six hundred eleven thousand, seven hundred forty-eight".