18074385015 has 8 divisors (see below), whose sum is σ = 28919016048. Its totient is φ = 9639672000.

The previous prime is 18074384969. The next prime is 18074385079. The reversal of 18074385015 is 51058347081.

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

It is not a de Polignac number, because 18074385015 - 2⁸ = 18074384759 is a prime.

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, 602479486 + ... + 602479515.

It is an arithmetic number, because the mean of its divisors is an integer number (3614877006).

Almost surely, 2^18074385015 is an apocalyptic number.

18074385015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18074385015 is a deficient number, since it is larger than the sum of its proper divisors (10844631033).

18074385015 is a wasteful number, since it uses less digits than its factorization.

18074385015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204959009.

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 18074385015 in words is "eighteen billion, seventy-four million, three hundred eighty-five thousand, fifteen".