113520444565 has 16 divisors (see below), whose sum is σ = 148664704320. Its totient is φ = 82529144320.

The previous prime is 113520444563. The next prime is 113520444607. The reversal of 113520444565 is 565444025311.

It is not a de Polignac number, because 113520444565 - 2¹ = 113520444563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113520444563) 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, 242275 + ... + 534544.

It is an arithmetic number, because the mean of its divisors is an integer number (9291544020).

Almost surely, 2^113520444565 is an apocalyptic number.

It is an amenable number.

113520444565 is a deficient number, since it is larger than the sum of its proper divisors (35144259755).

113520444565 is a wasteful number, since it uses less digits than its factorization.

113520444565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779492.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 113520444565 its reverse (565444025311), we get a palindrome (678964469876).

The spelling of 113520444565 in words is "one hundred thirteen billion, five hundred twenty million, four hundred forty-four thousand, five hundred sixty-five".