18111124 has 6 divisors (see below), whose sum is σ = 31694474. Its totient is φ = 9055560.

The previous prime is 18111101. The next prime is 18111131. The reversal of 18111124 is 42111181.

It can be written as a sum of positive squares in only one way, i.e., 16548624 + 1562500 = 4068^2 + 1250^2 .

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, 2263887 + ... + 2263894.

Almost surely, 2^18111124 is an apocalyptic number.

It is an amenable number.

18111124 is a deficient number, since it is larger than the sum of its proper divisors (13583350).

18111124 is a wasteful number, since it uses less digits than its factorization.

18111124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527785 (or 4527783 counting only the distinct ones).

The product of its digits is 64, while the sum is 19.

The square root of 18111124 is about 4255.7166259045. The cubic root of 18111124 is about 262.6123431453.

The spelling of 18111124 in words is "eighteen million, one hundred eleven thousand, one hundred twenty-four".