11099999504 has 20 divisors (see below), whose sum is σ = 23461362960. Its totient is φ = 5045454240.

The previous prime is 11099999497. The next prime is 11099999639. The reversal of 11099999504 is 40599999011.

It is a self number, because there is not a number n which added to its sum of digits gives 11099999504.

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, 31533914 + ... + 31534265.

It is an arithmetic number, because the mean of its divisors is an integer number (1173068148).

Almost surely, 2^11099999504 is an apocalyptic number.

It is an amenable number.

11099999504 is an abundant number, since it is smaller than the sum of its proper divisors (12361363456).

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

11099999504 is a wasteful number, since it uses less digits than its factorization.

11099999504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63068198 (or 63068192 counting only the distinct ones).

The product of its (nonzero) digits is 1180980, while the sum is 56.

The spelling of 11099999504 in words is "eleven billion, ninety-nine million, nine hundred ninety-nine thousand, five hundred four".