11031138404 has 24 divisors (see below), whose sum is σ = 22679404608. Its totient is φ = 4628449440.

The previous prime is 11031138383. The next prime is 11031138457. The reversal of 11031138404 is 40483113011.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 9642032 + ... + 9643175.

It is an arithmetic number, because the mean of its divisors is an integer number (944975192).

Almost surely, 2^11031138404 is an apocalyptic number.

It is an amenable number.

11031138404 is an abundant number, since it is smaller than the sum of its proper divisors (11648266204).

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

11031138404 is a wasteful number, since it uses less digits than its factorization.

11031138404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19285235 (or 19285233 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 11031138404 in words is "eleven billion, thirty-one million, one hundred thirty-eight thousand, four hundred four".