56518169458912 has 24 divisors (see below), whose sum is σ = 127165881283056. Its totient is φ = 24222072625152.

The previous prime is 56518169458879. The next prime is 56518169458963. The reversal of 56518169458912 is 21985496181565.

It is a congruent 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, 126156628033 + ... + 126156628480.

It is an arithmetic number, because the mean of its divisors is an integer number (5298578386794).

Almost surely, 2^{56518169458912} is an apocalyptic number.

It is an amenable number.

56518169458912 is an abundant number, since it is smaller than the sum of its proper divisors (70647711824144).

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

56518169458912 is a wasteful number, since it uses less digits than its factorization.

56518169458912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252313256530 (or 252313256522 counting only the distinct ones).

The product of its digits is 186624000, while the sum is 70.

The spelling of 56518169458912 in words is "fifty-six trillion, five hundred eighteen billion, one hundred sixty-nine million, four hundred fifty-eight thousand, nine hundred twelve".