18113711285 has 8 divisors (see below), whose sum is σ = 21737220000. Its totient is φ = 14490458064.

The previous prime is 18113711251. The next prime is 18113711321. The reversal of 18113711285 is 58211731181.

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 18113711285 - 2¹² = 18113707189 is a prime.

It is a Curzon number.

It is a congruent 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, 169874 + ... + 255116.

It is an arithmetic number, because the mean of its divisors is an integer number (2717152500).

Almost surely, 2^18113711285 is an apocalyptic number.

It is an amenable number.

18113711285 is a deficient number, since it is larger than the sum of its proper divisors (3623508715).

18113711285 is an equidigital number, since it uses as much as digits as its factorization.

18113711285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127747.

The product of its digits is 13440, while the sum is 38.

The spelling of 18113711285 in words is "eighteen billion, one hundred thirteen million, seven hundred eleven thousand, two hundred eighty-five".