11131104204 has 72 divisors (see below), whose sum is σ = 30721493712. Its totient is φ = 3370135680.

The previous prime is 11131104163. The next prime is 11131104209. The reversal of 11131104204 is 40240113111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11131104209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468762 + ... + 491934.

Almost surely, 2^11131104204 is an apocalyptic number.

It is an amenable number.

11131104204 is an abundant number, since it is smaller than the sum of its proper divisors (19590389508).

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

11131104204 is a wasteful number, since it uses less digits than its factorization.

11131104204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24407 (or 24402 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11131104204 its reverse (40240113111), we get a palindrome (51371217315).

The spelling of 11131104204 in words is "eleven billion, one hundred thirty-one million, one hundred four thousand, two hundred four".