18113105 has 8 divisors (see below), whose sum is σ = 22241472. Its totient is φ = 14153328.

The previous prime is 18113087. The next prime is 18113107. The reversal of 18113105 is 50131181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18113105 - 2¹⁸ = 17850961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18113107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41909 + ... + 42338.

It is an arithmetic number, because the mean of its divisors is an integer number (2780184).

Almost surely, 2^18113105 is an apocalyptic number.

It is an amenable number.

18113105 is a deficient number, since it is larger than the sum of its proper divisors (4128367).

18113105 is an equidigital number, since it uses as much as digits as its factorization.

18113105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84295.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 18113105 is about 4255.9493653003. The cubic root of 18113105 is about 262.6219176676.

Adding to 18113105 its reverse (50131181), we get a palindrome (68244286).

The spelling of 18113105 in words is "eighteen million, one hundred thirteen thousand, one hundred five".