11709879968 has 48 divisors (see below), whose sum is σ = 25322310720. Its totient is φ = 5305614336.

The previous prime is 11709879967. The next prime is 11709879971. The reversal of 11709879968 is 86997890711.

It is not an unprimeable number, because it can be changed into a prime (11709879967) 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, 404705 + ... + 432672.

It is an arithmetic number, because the mean of its divisors is an integer number (527548140).

Almost surely, 2^11709879968 is an apocalyptic number.

It is an amenable number.

11709879968 is an abundant number, since it is smaller than the sum of its proper divisors (13612430752).

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

11709879968 is a wasteful number, since it uses less digits than its factorization.

11709879968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837429 (or 837421 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 65.

The spelling of 11709879968 in words is "eleven billion, seven hundred nine million, eight hundred seventy-nine thousand, nine hundred sixty-eight".