11904266842 has 32 divisors (see below), whose sum is σ = 19399096080. Its totient is φ = 5446172160.

The previous prime is 11904266819. The next prime is 11904266849. The reversal of 11904266842 is 24866240911.

It can be written as a sum of positive squares in 8 ways, for example, as 1081817881 + 10822448961 = 32891^2 + 104031^2 .

It is not an unprimeable number, because it can be changed into a prime (11904266849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1382992 + ... + 1391572.

Almost surely, 2^11904266842 is an apocalyptic number.

11904266842 is a deficient number, since it is larger than the sum of its proper divisors (7494829238).

11904266842 is a wasteful number, since it uses less digits than its factorization.

11904266842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9058.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 11904266842 in words is "eleven billion, nine hundred four million, two hundred sixty-six thousand, eight hundred forty-two".