18112042204 has 6 divisors (see below), whose sum is σ = 31696073864. Its totient is φ = 9056021100.

The previous prime is 18112042177. The next prime is 18112042213. The reversal of 18112042204 is 40224021181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2264005272 + ... + 2264005279.

Almost surely, 2^18112042204 is an apocalyptic number.

It is an amenable number.

18112042204 is a deficient number, since it is larger than the sum of its proper divisors (13584031660).

18112042204 is a wasteful number, since it uses less digits than its factorization.

18112042204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528010555 (or 4528010553 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 18112042204 its reverse (40224021181), we get a palindrome (58336063385).

The spelling of 18112042204 in words is "eighteen billion, one hundred twelve million, forty-two thousand, two hundred four".