11922791004 has 48 divisors (see below), whose sum is σ = 32537836800. Its totient is φ = 3765091248.

The previous prime is 11922790993. The next prime is 11922791011. The reversal of 11922791004 is 40019722911.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11922791004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2903112 + ... + 2907215.

It is an arithmetic number, because the mean of its divisors is an integer number (677871600).

Almost surely, 2^11922791004 is an apocalyptic number.

It is an amenable number.

11922791004 is an abundant number, since it is smaller than the sum of its proper divisors (20615045796).

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

11922791004 is a wasteful number, since it uses less digits than its factorization.

11922791004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5810359 (or 5810351 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The spelling of 11922791004 in words is "eleven billion, nine hundred twenty-two million, seven hundred ninety-one thousand, four".