11978501281204 has 24 divisors (see below), whose sum is σ = 21514296323520. Its totient is φ = 5833568279616.

The previous prime is 11978501281181. The next prime is 11978501281211. The reversal of 11978501281204 is 40218210587911.

11978501281204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 251076712 + ... + 251124415.

It is an arithmetic number, because the mean of its divisors is an integer number (896429013480).

Almost surely, 2^{11978501281204} is an apocalyptic number.

It is an amenable number.

11978501281204 is a deficient number, since it is larger than the sum of its proper divisors (9535795042316).

11978501281204 is a wasteful number, since it uses less digits than its factorization.

11978501281204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502201287 (or 502201285 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 49.

The spelling of 11978501281204 in words is "eleven trillion, nine hundred seventy-eight billion, five hundred one million, two hundred eighty-one thousand, two hundred four".