18375023625009 has 16 divisors (see below), whose sum is σ = 24511750163712. Its totient is φ = 12244157519888.

The previous prime is 18375023624983. The next prime is 18375023625041. The reversal of 18375023625009 is 90052632057381.

It is a cyclic number.

It is not a de Polignac number, because 18375023625009 - 2²⁰ = 18375022576433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18375023625059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69353542 + ... + 69617984.

It is an arithmetic number, because the mean of its divisors is an integer number (1531984385232).

Almost surely, 2^{18375023625009} is an apocalyptic number.

It is an amenable number.

18375023625009 is a deficient number, since it is larger than the sum of its proper divisors (6136726538703).

18375023625009 is a wasteful number, since it uses less digits than its factorization.

18375023625009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275436.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 18375023625009 in words is "eighteen trillion, three hundred seventy-five billion, twenty-three million, six hundred twenty-five thousand, nine".