18037502005 has 8 divisors (see below), whose sum is σ = 21810232224. Its totient is φ = 14319848400.

The previous prime is 18037501997. The next prime is 18037502011. The reversal of 18037502005 is 50020573081.

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

It is not a de Polignac number, because 18037502005 - 2³ = 18037501997 is a prime.

It is a Duffinian 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, 13768431 + ... + 13769740.

It is an arithmetic number, because the mean of its divisors is an integer number (2726279028).

Almost surely, 2^18037502005 is an apocalyptic number.

It is an amenable number.

18037502005 is a deficient number, since it is larger than the sum of its proper divisors (3772730219).

18037502005 is a wasteful number, since it uses less digits than its factorization.

18037502005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27538307.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 18037502005 in words is "eighteen billion, thirty-seven million, five hundred two thousand, five".