113404252503 has 32 divisors (see below), whose sum is σ = 155647844352. Its totient is φ = 73416672000.

The previous prime is 113404252487. The next prime is 113404252529. The reversal of 113404252503 is 305252404311.

It is not a de Polignac number, because 113404252503 - 2⁴ = 113404252487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113404252553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12387978 + ... + 12397128.

It is an arithmetic number, because the mean of its divisors is an integer number (4863995136).

Almost surely, 2^113404252503 is an apocalyptic number.

113404252503 is a deficient number, since it is larger than the sum of its proper divisors (42243591849).

113404252503 is an equidigital number, since it uses as much as digits as its factorization.

113404252503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10095.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 113404252503 its reverse (305252404311), we get a palindrome (418656656814).

The spelling of 113404252503 in words is "one hundred thirteen billion, four hundred four million, two hundred fifty-two thousand, five hundred three".