113503424563 has 4 divisors (see below), whose sum is σ = 115427211480. Its totient is φ = 111579637648.

The previous prime is 113503424557. The next prime is 113503424591. The reversal of 113503424563 is 365424305311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113503424563 - 2¹³ = 113503416371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113503424543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961893370 + ... + 961893487.

It is an arithmetic number, because the mean of its divisors is an integer number (28856802870).

Almost surely, 2^113503424563 is an apocalyptic number.

113503424563 is a deficient number, since it is larger than the sum of its proper divisors (1923786917).

113503424563 is an equidigital number, since it uses as much as digits as its factorization.

113503424563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923786916.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 113503424563 its reverse (365424305311), we get a palindrome (478927729874).

The spelling of 113503424563 in words is "one hundred thirteen billion, five hundred three million, four hundred twenty-four thousand, five hundred sixty-three".