115689652 has 12 divisors (see below), whose sum is σ = 218030596. Its totient is φ = 53395200.

The previous prime is 115689643. The next prime is 115689653. The reversal of 115689652 is 256986511.

It can be written as a sum of positive squares in 2 ways, for example, as 63936016 + 51753636 = 7996^2 + 7194^2 .

It is a super-2 number, since 2×115689652² = 26768191159762208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115689599 and 115689608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115689653) 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 3 ways as a sum of consecutive naturals, for example, 1112349 + ... + 1112452.

Almost surely, 2^115689652 is an apocalyptic number.

It is an amenable number.

115689652 is a deficient number, since it is larger than the sum of its proper divisors (102340944).

115689652 is a wasteful number, since it uses less digits than its factorization.

115689652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224818 (or 2224816 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 115689652 is about 10755.9124206178. The cubic root of 115689652 is about 487.2645746449.

The spelling of 115689652 in words is "one hundred fifteen million, six hundred eighty-nine thousand, six hundred fifty-two".