18831112882 has 16 divisors (see below), whose sum is σ = 28966377600. Its totient is φ = 9178634080.

The previous prime is 18831112873. The next prime is 18831113011. The reversal of 18831112882 is 28821113881.

It is a super-2 number, since 2×18831112882² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732382 + ... + 757657.

It is an arithmetic number, because the mean of its divisors is an integer number (1810398600).

Almost surely, 2^18831112882 is an apocalyptic number.

18831112882 is a deficient number, since it is larger than the sum of its proper divisors (10135264718).

18831112882 is a wasteful number, since it uses less digits than its factorization.

18831112882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490201.

The product of its digits is 49152, while the sum is 43.

Subtracting 18831112882 from its reverse (28821113881), we obtain a palindrome (9990000999).

The spelling of 18831112882 in words is "eighteen billion, eight hundred thirty-one million, one hundred twelve thousand, eight hundred eighty-two".