11879956788 has 24 divisors (see below), whose sum is σ = 31679884992. Its totient is φ = 3394273344.

The previous prime is 11879956771. The next prime is 11879956799. The reversal of 11879956788 is 88765997811.

It is a super-2 number, since 2×11879956788² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70713945 + ... + 70714112.

It is an arithmetic number, because the mean of its divisors is an integer number (1319995208).

Almost surely, 2^11879956788 is an apocalyptic number.

It is an amenable number.

11879956788 is an abundant number, since it is smaller than the sum of its proper divisors (19799928204).

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

11879956788 is a wasteful number, since it uses less digits than its factorization.

11879956788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141428071 (or 141428069 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 69.

The spelling of 11879956788 in words is "eleven billion, eight hundred seventy-nine million, nine hundred fifty-six thousand, seven hundred eighty-eight".