115656213 has 16 divisors (see below), whose sum is σ = 161740800. Its totient is φ = 73372464.

The previous prime is 115656199. The next prime is 115656217. The reversal of 115656213 is 312656511.

It is not a de Polignac number, because 115656213 - 2⁵ = 115656181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115656217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9520 + ... + 17942.

It is an arithmetic number, because the mean of its divisors is an integer number (10108800).

Almost surely, 2^115656213 is an apocalyptic number.

It is an amenable number.

115656213 is a deficient number, since it is larger than the sum of its proper divisors (46084587).

115656213 is a wasteful number, since it uses less digits than its factorization.

115656213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648.

The product of its digits is 5400, while the sum is 30.

The square root of 115656213 is about 10754.3578608860. The cubic root of 115656213 is about 487.2176237150.

The spelling of 115656213 in words is "one hundred fifteen million, six hundred fifty-six thousand, two hundred thirteen".