57120010012780 has 48 divisors (see below), whose sum is σ = 140922654080544. Its totient is φ = 19173150213120.

The previous prime is 57120010012771. The next prime is 57120010012783. The reversal of 57120010012780 is 8721001002175.

It is not an unprimeable number, because it can be changed into a prime (57120010012783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9986012877 + ... + 9986018596.

It is an arithmetic number, because the mean of its divisors is an integer number (2935888626678).

Almost surely, 2^{57120010012780} is an apocalyptic number.

It is an amenable number.

57120010012780 is an abundant number, since it is smaller than the sum of its proper divisors (83802644067764).

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

57120010012780 is a wasteful number, since it uses less digits than its factorization.

57120010012780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19972031506 (or 19972031504 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 34.

The spelling of 57120010012780 in words is "fifty-seven trillion, one hundred twenty billion, ten million, twelve thousand, seven hundred eighty".