113440525432 has 64 divisors (see below), whose sum is σ = 231315084000. Its totient is φ = 51844299264.

The previous prime is 113440525427. The next prime is 113440525433. The reversal of 113440525432 is 234525044311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113440525433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5613298 + ... + 5633470.

Almost surely, 2^113440525432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113440525432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115657542000).

113440525432 is an abundant number, since it is smaller than the sum of its proper divisors (117874558568).

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

113440525432 is a wasteful number, since it uses less digits than its factorization.

113440525432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20720 (or 20716 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 113440525432 its reverse (234525044311), we get a palindrome (347965569743).

The spelling of 113440525432 in words is "one hundred thirteen billion, four hundred forty million, five hundred twenty-five thousand, four hundred thirty-two".