18061845275 has 6 divisors (see below), whose sum is σ = 22396688172. Its totient is φ = 14449476200.

The previous prime is 18061845257. The next prime is 18061845299. The reversal of 18061845275 is 57254816081.

It is not a de Polignac number, because 18061845275 - 2²⁶ = 17994736411 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361236881 + ... + 361236930.

It is an arithmetic number, because the mean of its divisors is an integer number (3732781362).

Almost surely, 2^18061845275 is an apocalyptic number.

18061845275 is a deficient number, since it is larger than the sum of its proper divisors (4334842897).

18061845275 is an equidigital number, since it uses as much as digits as its factorization.

18061845275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722473821 (or 722473816 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 18061845275 in words is "eighteen billion, sixty-one million, eight hundred forty-five thousand, two hundred seventy-five".