11111124204 has 36 divisors (see below), whose sum is σ = 28272469680. Its totient is φ = 3679178400.

The previous prime is 11111124179. The next prime is 11111124223. The reversal of 11111124204 is 40242111111.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1016559 + ... + 1027430.

It is an arithmetic number, because the mean of its divisors is an integer number (785346380).

Almost surely, 2^11111124204 is an apocalyptic number.

It is an amenable number.

11111124204 is an abundant number, since it is smaller than the sum of its proper divisors (17161345476).

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

11111124204 is a wasteful number, since it uses less digits than its factorization.

11111124204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044150 (or 2044145 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11111124204 its reverse (40242111111), we get a palindrome (51353235315).

The spelling of 11111124204 in words is "eleven billion, one hundred eleven million, one hundred twenty-four thousand, two hundred four".