113220242544 has 80 divisors (see below), whose sum is σ = 293454967680. Its totient is φ = 37615184640.

The previous prime is 113220242521. The next prime is 113220242563. The reversal of 113220242544 is 445242022311.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 30789634 + ... + 30793310.

It is an arithmetic number, because the mean of its divisors is an integer number (3668187096).

Almost surely, 2^113220242544 is an apocalyptic number.

It is an amenable number.

113220242544 is an abundant number, since it is smaller than the sum of its proper divisors (180234725136).

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

113220242544 is a wasteful number, since it uses less digits than its factorization.

113220242544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638 (or 5632 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 113220242544 its reverse (445242022311), we get a palindrome (558462264855).

The spelling of 113220242544 in words is "one hundred thirteen billion, two hundred twenty million, two hundred forty-two thousand, five hundred forty-four".