113541001520503 has 4 divisors (see below), whose sum is σ = 114908965394328. Its totient is φ = 112173037646680.

The previous prime is 113541001520489. The next prime is 113541001520537. The reversal of 113541001520503 is 305025100145311.

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 113541001520503 - 2²¹ = 113540999423351 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 (113541001520603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683981936788 + ... + 683981936953.

It is an arithmetic number, because the mean of its divisors is an integer number (28727241348582).

Almost surely, 2^{113541001520503} is an apocalyptic number.

113541001520503 is a deficient number, since it is larger than the sum of its proper divisors (1367963873825).

113541001520503 is an equidigital number, since it uses as much as digits as its factorization.

113541001520503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367963873824.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 113541001520503 its reverse (305025100145311), we get a palindrome (418566101665814).

The spelling of 113541001520503 in words is "one hundred thirteen trillion, five hundred forty-one billion, one million, five hundred twenty thousand, five hundred three".