18113475 has 12 divisors (see below), whose sum is σ = 29947736. Its totient is φ = 9660480.

The previous prime is 18113467. The next prime is 18113503. The reversal of 18113475 is 57431181.

It is not a de Polignac number, because 18113475 - 2³ = 18113467 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120682 + ... + 120831.

Almost surely, 2^18113475 is an apocalyptic number.

18113475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18113475 is a deficient number, since it is larger than the sum of its proper divisors (11834261).

18113475 is a wasteful number, since it uses less digits than its factorization.

18113475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241526 (or 241521 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 18113475 is about 4255.9928336406. The cubic root of 18113475 is about 262.6237058655.

The spelling of 18113475 in words is "eighteen million, one hundred thirteen thousand, four hundred seventy-five".