11904263772 has 12 divisors (see below), whose sum is σ = 27776615496. Its totient is φ = 3968087920.

The previous prime is 11904263713. The next prime is 11904263807. The reversal of 11904263772 is 27736240911.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11904263772² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496010979 + ... + 496011002.

It is an arithmetic number, because the mean of its divisors is an integer number (2314717958).

Almost surely, 2^11904263772 is an apocalyptic number.

11904263772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11904263772 is an abundant number, since it is smaller than the sum of its proper divisors (15872351724).

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

11904263772 is a wasteful number, since it uses less digits than its factorization.

11904263772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992021988 (or 992021986 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 11904263772 in words is "eleven billion, nine hundred four million, two hundred sixty-three thousand, seven hundred seventy-two".