57618368512 has 48 divisors (see below), whose sum is σ = 115255904400. Its totient is φ = 28797358080.

The previous prime is 57618368477. The next prime is 57618368527. The reversal of 57618368512 is 21586381675.

It is a self number, because there is not a number n which added to its sum of digits gives 57618368512.

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, 7145539 + ... + 7153597.

It is an arithmetic number, because the mean of its divisors is an integer number (2401164675).

Almost surely, 2^57618368512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57618368512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57627952200).

57618368512 is an abundant number, since it is smaller than the sum of its proper divisors (57637535888).

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

57618368512 is an equidigital number, since it uses as much as digits as its factorization.

57618368512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11572 (or 11552 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 52.

The spelling of 57618368512 in words is "fifty-seven billion, six hundred eighteen million, three hundred sixty-eight thousand, five hundred twelve".