11700711512 has 32 divisors (see below), whose sum is σ = 25092710400. Its totient is φ = 5010639264.

The previous prime is 11700711511. The next prime is 11700711527. The reversal of 11700711512 is 21511700711.

It is a super-2 number, since 2×11700711512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11700711511) 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, 10058 + ... + 153305.

It is an arithmetic number, because the mean of its divisors is an integer number (784147200).

Almost surely, 2^11700711512 is an apocalyptic number.

It is an amenable number.

11700711512 is an abundant number, since it is smaller than the sum of its proper divisors (13391998888).

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

11700711512 is a wasteful number, since it uses less digits than its factorization.

11700711512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164655 (or 164651 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 26.

The spelling of 11700711512 in words is "eleven billion, seven hundred million, seven hundred eleven thousand, five hundred twelve".