18481105 has 8 divisors (see below), whose sum is σ = 22649472. Its totient is φ = 14470128.

The previous prime is 18481097. The next prime is 18481157. The reversal of 18481105 is 50118481.

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 18481105 - 2³ = 18481097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39087 + ... + 39556.

It is an arithmetic number, because the mean of its divisors is an integer number (2831184).

Almost surely, 2^18481105 is an apocalyptic number.

It is an amenable number.

18481105 is a deficient number, since it is larger than the sum of its proper divisors (4168367).

18481105 is an equidigital number, since it uses as much as digits as its factorization.

18481105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78695.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 18481105 is about 4298.9655732513. The cubic root of 18481105 is about 264.3885510960.

Adding to 18481105 its reverse (50118481), we get a palindrome (68599586).

The spelling of 18481105 in words is "eighteen million, four hundred eighty-one thousand, one hundred five".