115756225 has 12 divisors (see below), whose sum is σ = 154579516. Its totient is φ = 85481280.

The previous prime is 115756127. The next prime is 115756229. The reversal of 115756225 is 522657511.

It can be written as a sum of positive squares in 6 ways, for example, as 9006001 + 106750224 = 3001^2 + 10332^2 .

It is not a de Polignac number, because 115756225 - 2⁷ = 115756097 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (115756229) 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 11 ways as a sum of consecutive naturals, for example, 177762 + ... + 178411.

Almost surely, 2^115756225 is an apocalyptic number.

It is an amenable number.

115756225 is a deficient number, since it is larger than the sum of its proper divisors (38823291).

115756225 is a wasteful number, since it uses less digits than its factorization.

115756225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356196 (or 356191 counting only the distinct ones).

The product of its digits is 21000, while the sum is 34.

The square root of 115756225 is about 10759.0066920697. The cubic root of 115756225 is about 487.3580213325.

The spelling of 115756225 in words is "one hundred fifteen million, seven hundred fifty-six thousand, two hundred twenty-five".