18480324113 has 16 divisors (see below), whose sum is σ = 19898882640. Its totient is φ = 17098905600.

The previous prime is 18480324077. The next prime is 18480324139. The reversal of 18480324113 is 31142308481.

It can be written as a sum of positive squares in 8 ways, for example, as 6050972944 + 12429351169 = 77788^2 + 111487^2 .

It is a cyclic number.

It is not a de Polignac number, because 18480324113 - 2¹⁰ = 18480323089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18480324173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2610743 + ... + 2617811.

It is an arithmetic number, because the mean of its divisors is an integer number (1243680165).

Almost surely, 2^18480324113 is an apocalyptic number.

It is an amenable number.

18480324113 is a deficient number, since it is larger than the sum of its proper divisors (1418558527).

18480324113 is a wasteful number, since it uses less digits than its factorization.

18480324113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 18480324113 in words is "eighteen billion, four hundred eighty million, three hundred twenty-four thousand, one hundred thirteen".