11579978876 has 24 divisors (see below), whose sum is σ = 21505952160. Its totient is φ = 5436974592.

The previous prime is 11579978833. The next prime is 11579978881. The reversal of 11579978876 is 67887997511.

11579978876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (68).

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 7 ways as a sum of consecutive naturals, for example, 164105 + ... + 223808.

It is an arithmetic number, because the mean of its divisors is an integer number (896081340).

Almost surely, 2^11579978876 is an apocalyptic number.

It is an amenable number.

11579978876 is a deficient number, since it is larger than the sum of its proper divisors (9925973284).

11579978876 is a wasteful number, since it uses less digits than its factorization.

11579978876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388373 (or 388371 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 68.

The spelling of 11579978876 in words is "eleven billion, five hundred seventy-nine million, nine hundred seventy-eight thousand, eight hundred seventy-six".