113240112432 has 80 divisors (see below), whose sum is σ = 298993863168. Its totient is φ = 36922566400.

The previous prime is 113240112413. The next prime is 113240112439. The reversal of 113240112432 is 234211042311.

It is a super-2 number, since 2×113240112432² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (113240112439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261673 + ... + 543095.

Almost surely, 2^113240112432 is an apocalyptic number.

113240112432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113240112432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149496931584).

113240112432 is an abundant number, since it is smaller than the sum of its proper divisors (185753750736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113240112432 is a wasteful number, since it uses less digits than its factorization.

113240112432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281618 (or 281612 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 113240112432 its reverse (234211042311), we get a palindrome (347451154743).

The spelling of 113240112432 in words is "one hundred thirteen billion, two hundred forty million, one hundred twelve thousand, four hundred thirty-two".