113503543 has 8 divisors (see below), whose sum is σ = 122738112. Its totient is φ = 104553216.

The previous prime is 113503519. The next prime is 113503547. The reversal of 113503543 is 345305311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113503543 - 2⁹ = 113503031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113503547) 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 7 ways as a sum of consecutive naturals, for example, 70230 + ... + 71827.

It is an arithmetic number, because the mean of its divisors is an integer number (15342264).

Almost surely, 2^113503543 is an apocalyptic number.

113503543 is a deficient number, since it is larger than the sum of its proper divisors (9234569).

113503543 is a wasteful number, since it uses less digits than its factorization.

113503543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142121.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 113503543 is about 10653.8041562627. The cubic root of 113503543 is about 484.1758675482.

Adding to 113503543 its reverse (345305311), we get a palindrome (458808854).

The spelling of 113503543 in words is "one hundred thirteen million, five hundred three thousand, five hundred forty-three".