11979696764 has 48 divisors (see below), whose sum is σ = 25234540800. Its totient is φ = 4861213056.

The previous prime is 11979696727. The next prime is 11979696829. The reversal of 11979696764 is 46769697911.

11979696764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11979696764.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140167 + ... + 1150625.

It is an arithmetic number, because the mean of its divisors is an integer number (525719600).

Almost surely, 2^11979696764 is an apocalyptic number.

11979696764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11979696764 is an abundant number, since it is smaller than the sum of its proper divisors (13254844036).

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

11979696764 is a wasteful number, since it uses less digits than its factorization.

11979696764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12642 (or 12640 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 65.

The spelling of 11979696764 in words is "eleven billion, nine hundred seventy-nine million, six hundred ninety-six thousand, seven hundred sixty-four".