11778969004 has 24 divisors (see below), whose sum is σ = 22498550928. Its totient is φ = 5351355840.

The previous prime is 11778968989. The next prime is 11778969019. The reversal of 11778969004 is 40096987711.

It is an interprime number because it is at equal distance from previous prime (11778968989) and next prime (11778969019).

It is a super-2 number, since 2×11778969004² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20842 + ... + 154894.

It is an arithmetic number, because the mean of its divisors is an integer number (937439622).

Almost surely, 2^11778969004 is an apocalyptic number.

It is an amenable number.

11778969004 is a deficient number, since it is larger than the sum of its proper divisors (10719581924).

11778969004 is a wasteful number, since it uses less digits than its factorization.

11778969004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136065 (or 136063 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 11778969004 in words is "eleven billion, seven hundred seventy-eight million, nine hundred sixty-nine thousand, four".