18110000999 has 8 divisors (see below), whose sum is σ = 18179297280. Its totient is φ = 18040835736.

The previous prime is 18110000957. The next prime is 18110001029. The reversal of 18110000999 is 99900001181.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18110000999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18110000929) 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, 248822 + ... + 313260.

It is an arithmetic number, because the mean of its divisors is an integer number (2272412160).

Almost surely, 2^18110000999 is an apocalyptic number.

18110000999 is a deficient number, since it is larger than the sum of its proper divisors (69296281).

18110000999 is an equidigital number, since it uses as much as digits as its factorization.

18110000999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65509.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 18110000999 in words is "eighteen billion, one hundred ten million, nine hundred ninety-nine", and thus it is an aban number.