11520570057 has 8 divisors (see below), whose sum is σ = 15378199200. Its totient is φ = 7671660480.

The previous prime is 11520570043. The next prime is 11520570059. The reversal of 11520570057 is 75007502511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11520570057 - 2⁶ = 11520569993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11520570059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2176807 + ... + 2182092.

It is an arithmetic number, because the mean of its divisors is an integer number (1922274900).

Almost surely, 2^11520570057 is an apocalyptic number.

It is an amenable number.

11520570057 is a deficient number, since it is larger than the sum of its proper divisors (3857629143).

11520570057 is an equidigital number, since it uses as much as digits as its factorization.

11520570057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359783.

The product of its (nonzero) digits is 12250, while the sum is 33.

The spelling of 11520570057 in words is "eleven billion, five hundred twenty million, five hundred seventy thousand, fifty-seven".