113411503 has 4 divisors (see below), whose sum is σ = 115104280. Its totient is φ = 111718728.

The previous prime is 113411497. The next prime is 113411509. The reversal of 113411503 is 305114311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305114311 = 59 ⋅5171429.

It is an interprime number because it is at equal distance from previous prime (113411497) and next prime (113411509).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113411503 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 (113411509) 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, 846288 + ... + 846421.

It is an arithmetic number, because the mean of its divisors is an integer number (28776070).

Almost surely, 2^113411503 is an apocalyptic number.

113411503 is a deficient number, since it is larger than the sum of its proper divisors (1692777).

113411503 is an equidigital number, since it uses as much as digits as its factorization.

113411503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692776.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 113411503 is about 10649.4836964052. The cubic root of 113411503 is about 484.0449594531.

Adding to 113411503 its reverse (305114311), we get a palindrome (418525814).

The spelling of 113411503 in words is "one hundred thirteen million, four hundred eleven thousand, five hundred three".