11570520711 has 16 divisors (see below), whose sum is σ = 15942453120. Its totient is φ = 7459687200.

The previous prime is 11570520697. The next prime is 11570520719. The reversal of 11570520711 is 11702507511.

It is not a de Polignac number, because 11570520711 - 2⁵ = 11570520679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11570520719) 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, 431001 + ... + 457058.

It is an arithmetic number, because the mean of its divisors is an integer number (996403320).

Almost surely, 2^11570520711 is an apocalyptic number.

11570520711 is a deficient number, since it is larger than the sum of its proper divisors (4371932409).

11570520711 is a wasteful number, since it uses less digits than its factorization.

11570520711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888206.

The product of its (nonzero) digits is 2450, while the sum is 30.

The spelling of 11570520711 in words is "eleven billion, five hundred seventy million, five hundred twenty thousand, seven hundred eleven".