18107080815 has 32 divisors (see below), whose sum is σ = 29107475712. Its totient is φ = 9611840000.

The previous prime is 18107080787. The next prime is 18107080843. The reversal of 18107080815 is 51808070181.

It is an interprime number because it is at equal distance from previous prime (18107080787) and next prime (18107080843).

It is not a de Polignac number, because 18107080815 - 2¹⁰ = 18107079791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2950300 + ... + 2956430.

It is an arithmetic number, because the mean of its divisors is an integer number (909608616).

Almost surely, 2^18107080815 is an apocalyptic number.

18107080815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18107080815 is a deficient number, since it is larger than the sum of its proper divisors (11000394897).

18107080815 is a wasteful number, since it uses less digits than its factorization.

18107080815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031.

The product of its (nonzero) digits is 17920, while the sum is 39.

The spelling of 18107080815 in words is "eighteen billion, one hundred seven million, eighty thousand, eight hundred fifteen".