113503541513 has 4 divisors (see below), whose sum is σ = 113635676880. Its totient is φ = 113371406148.

The previous prime is 113503541497. The next prime is 113503541531. The reversal of 113503541513 is 315145305311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315145305311 = 26189 ⋅12033499.

It is a cyclic number.

It is not a de Polignac number, because 113503541513 - 2⁴ = 113503541497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113503541513.

It is not an unprimeable number, because it can be changed into a prime (113503541563) 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, 66066395 + ... + 66068112.

It is an arithmetic number, because the mean of its divisors is an integer number (28408919220).

Almost surely, 2^113503541513 is an apocalyptic number.

It is an amenable number.

113503541513 is a deficient number, since it is larger than the sum of its proper divisors (132135367).

113503541513 is an equidigital number, since it uses as much as digits as its factorization.

113503541513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132135366.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 113503541513 its reverse (315145305311), we get a palindrome (428648846824).

The spelling of 113503541513 in words is "one hundred thirteen billion, five hundred three million, five hundred forty-one thousand, five hundred thirteen".