18073380125 has 16 divisors (see below), whose sum is σ = 22582031472. Its totient is φ = 14441747200.

The previous prime is 18073380113. The next prime is 18073380131. The reversal of 18073380125 is 52108337081.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2603244484 + 15470135641 = 51022^2 + 124379^2 .

It is not a de Polignac number, because 18073380125 - 2⁸ = 18073379869 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 15 ways as a sum of consecutive naturals, for example, 22769 + ... + 191481.

It is an arithmetic number, because the mean of its divisors is an integer number (1411376967).

Almost surely, 2^18073380125 is an apocalyptic number.

It is an amenable number.

18073380125 is a deficient number, since it is larger than the sum of its proper divisors (4508651347).

18073380125 is an equidigital number, since it uses as much as digits as its factorization.

18073380125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169585 (or 169575 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 18073380125 in words is "eighteen billion, seventy-three million, three hundred eighty thousand, one hundred twenty-five".