113404232018 has 96 divisors (see below), whose sum is σ = 219920194368. Its totient is φ = 43723088640.

The previous prime is 113404232017. The next prime is 113404232021. The reversal of 113404232018 is 810232404311.

It is not an unprimeable number, because it can be changed into a prime (113404232017) 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, 12648005 + ... + 12656967.

It is an arithmetic number, because the mean of its divisors is an integer number (2290835358).

Almost surely, 2^113404232018 is an apocalyptic number.

113404232018 is a deficient number, since it is larger than the sum of its proper divisors (106515962350).

113404232018 is an equidigital number, since it uses as much as digits as its factorization.

113404232018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9109 (or 9080 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 113404232018 its reverse (810232404311), we get a palindrome (923636636329).

The spelling of 113404232018 in words is "one hundred thirteen billion, four hundred four million, two hundred thirty-two thousand, eighteen".