113504333503 has 24 divisors (see below), whose sum is σ = 129025866368. Its totient is φ = 99670824000.

The previous prime is 113504333479. The next prime is 113504333531. The reversal of 113504333503 is 305333405311.

It is a de Polignac number, because none of the positive numbers 2^k-113504333503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113504333533) 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 23 ways as a sum of consecutive naturals, for example, 2001325 + ... + 2057257.

Almost surely, 2^113504333503 is an apocalyptic number.

113504333503 is a deficient number, since it is larger than the sum of its proper divisors (15521532865).

113504333503 is a wasteful number, since it uses less digits than its factorization.

113504333503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56527 (or 56516 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 31.

Adding to 113504333503 its reverse (305333405311), we get a palindrome (418837738814).

The spelling of 113504333503 in words is "one hundred thirteen billion, five hundred four million, three hundred thirty-three thousand, five hundred three".