113615 has 8 divisors (see below), whose sum is σ = 140928. Its totient is φ = 87840.

The previous prime is 113591. The next prime is 113621. The reversal of 113615 is 516311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113615 - 2⁸ = 113359 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6, base 12 and base 16.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 113593 and 113602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212 + ... + 521.

It is an arithmetic number, because the mean of its divisors is an integer number (17616).

2¹¹³⁶¹⁵ is an apocalyptic number.

113615 is a deficient number, since it is larger than the sum of its proper divisors (27313).

113615 is an equidigital number, since it uses as much as digits as its factorization.

113615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769.

The product of its digits is 90, while the sum is 17.

The square root of 113615 is about 337.0682423486. The cubic root of 113615 is about 48.4334297655.

Adding to 113615 its reverse (516311), we get a palindrome (629926).

The spelling of 113615 in words is "one hundred thirteen thousand, six hundred fifteen".