18282000109191 has 48 divisors (see below), whose sum is σ = 30867609712896. Its totient is φ = 9418991033088.

The previous prime is 18282000109189. The next prime is 18282000109213. The reversal of 18282000109191 is 19190100028281.

It is a happy number.

It is not a de Polignac number, because 18282000109191 - 2¹ = 18282000109189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18282000109181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59746350 + ... + 60051563.

It is an arithmetic number, because the mean of its divisors is an integer number (643075202352).

Almost surely, 2^{18282000109191} is an apocalyptic number.

18282000109191 is a deficient number, since it is larger than the sum of its proper divisors (12585609603705).

18282000109191 is a wasteful number, since it uses less digits than its factorization.

18282000109191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119797992 (or 119797979 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 42.

The spelling of 18282000109191 in words is "eighteen trillion, two hundred eighty-two billion, one hundred nine thousand, one hundred ninety-one".