113242503440 has 160 divisors (see below), whose sum is σ = 302601882240. Its totient is φ = 38978150400.

The previous prime is 113242503401. The next prime is 113242503457. The reversal of 113242503440 is 44305242311.

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 31 ways as a sum of consecutive naturals, for example, 26699720 + ... + 26703960.

It is an arithmetic number, because the mean of its divisors is an integer number (1891261764).

Almost surely, 2^113242503440 is an apocalyptic number.

113242503440 is a gapful number since it is divisible by the number (10) 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 113242503440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151300941120).

113242503440 is an abundant number, since it is smaller than the sum of its proper divisors (189359378800).

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

113242503440 is a wasteful number, since it uses less digits than its factorization.

113242503440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881 (or 5875 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 113242503440 its reverse (44305242311), we get a palindrome (157547745751).

The spelling of 113242503440 in words is "one hundred thirteen billion, two hundred forty-two million, five hundred three thousand, four hundred forty".