18110089 has 2 divisors, whose sum is σ = 18110090. Its totient is φ = 18110088.

The previous prime is 18110077. The next prime is 18110093. The reversal of 18110089 is 98001181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9815689 + 8294400 = 3133^2 + 2880^2 .

It is a cyclic number.

It is not a de Polignac number, because 18110089 - 2⁷ = 18109961 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (18110489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9055044 + 9055045.

It is an arithmetic number, because the mean of its divisors is an integer number (9055045).

Almost surely, 2^18110089 is an apocalyptic number.

It is an amenable number.

18110089 is a deficient number, since it is larger than the sum of its proper divisors (1).

18110089 is an equidigital number, since it uses as much as digits as its factorization.

18110089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 18110089 is about 4255.5950230256. The cubic root of 18110089 is about 262.6073405301.

The spelling of 18110089 in words is "eighteen million, one hundred ten thousand, eighty-nine".