11099120904 has 40 divisors (see below), whose sum is σ = 31087817310. Its totient is φ = 3699706752.

The previous prime is 11099120899. The next prime is 11099120951. The reversal of 11099120904 is 40902199011.

It can be written as a sum of positive squares in only one way, i.e., 10843056900 + 256064004 = 104130^2 + 16002^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8563489 + ... + 8564784.

Almost surely, 2^11099120904 is an apocalyptic number.

It is an amenable number.

11099120904 is an abundant number, since it is smaller than the sum of its proper divisors (19988696406).

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

11099120904 is a wasteful number, since it uses less digits than its factorization.

11099120904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17128291 (or 17128278 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 11099120904 in words is "eleven billion, ninety-nine million, one hundred twenty thousand, nine hundred four".