18128080037 has 2 divisors, whose sum is σ = 18128080038. Its totient is φ = 18128080036.

The previous prime is 18128080001. The next prime is 18128080093. The reversal of 18128080037 is 73008082181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10468154596 + 7659925441 = 102314^2 + 87521^2 .

It is a cyclic number.

It is not a de Polignac number, because 18128080037 - 2²⁴ = 18111302821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18128080337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9064040018 + 9064040019.

It is an arithmetic number, because the mean of its divisors is an integer number (9064040019).

Almost surely, 2^18128080037 is an apocalyptic number.

It is an amenable number.

18128080037 is a deficient number, since it is larger than the sum of its proper divisors (1).

18128080037 is an equidigital number, since it uses as much as digits as its factorization.

18128080037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 18128080037 in words is "eighteen billion, one hundred twenty-eight million, eighty thousand, thirty-seven".