113215506 has 16 divisors (see below), whose sum is σ = 227582784. Its totient is φ = 37546544.

The previous prime is 113215483. The next prime is 113215561. The reversal of 113215506 is 605512311.

It is a Curzon 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, 46710 + ... + 49073.

It is an arithmetic number, because the mean of its divisors is an integer number (14223924).

Almost surely, 2^113215506 is an apocalyptic number.

113215506 is an abundant number, since it is smaller than the sum of its proper divisors (114367278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113215506 is a wasteful number, since it uses less digits than its factorization.

113215506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95985.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 113215506 is about 10640.2775339744. The cubic root of 113215506 is about 483.7659575824.

Adding to 113215506 its reverse (605512311), we get a palindrome (718727817).

The spelling of 113215506 in words is "one hundred thirteen million, two hundred fifteen thousand, five hundred six".