18117062315 has 32 divisors (see below), whose sum is σ = 24515868672. Its totient is φ = 12733344000.

The previous prime is 18117062309. The next prime is 18117062339. The reversal of 18117062315 is 51326071181.

It is not a de Polignac number, because 18117062315 - 2¹⁸ = 18116800171 is a prime.

It is a Duffinian 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, 1290524 + ... + 1304486.

It is an arithmetic number, because the mean of its divisors is an integer number (766120896).

Almost surely, 2^18117062315 is an apocalyptic number.

18117062315 is a deficient number, since it is larger than the sum of its proper divisors (6398806357).

18117062315 is a wasteful number, since it uses less digits than its factorization.

18117062315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14771.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 18117062315 in words is "eighteen billion, one hundred seventeen million, sixty-two thousand, three hundred fifteen".