113215535 has 8 divisors (see below), whose sum is σ = 137772576. Its totient is φ = 89296480.

The previous prime is 113215483. The next prime is 113215561. The reversal of 113215535 is 535512311.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-113215535 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159104 + ... + 159813.

It is an arithmetic number, because the mean of its divisors is an integer number (17221572).

Almost surely, 2^113215535 is an apocalyptic number.

113215535 is a deficient number, since it is larger than the sum of its proper divisors (24557041).

113215535 is an equidigital number, since it uses as much as digits as its factorization.

113215535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318993.

The product of its digits is 2250, while the sum is 26.

The square root of 113215535 is about 10640.2788967207. The cubic root of 113215535 is about 483.7659988877.

Adding to 113215535 its reverse (535512311), we get a palindrome (648727846).

The spelling of 113215535 in words is "one hundred thirteen million, two hundred fifteen thousand, five hundred thirty-five".