115656329 has 2 divisors, whose sum is σ = 115656330. Its totient is φ = 115656328.

The previous prime is 115656293. The next prime is 115656341. The reversal of 115656329 is 923656511.

Together with previous prime (115656293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86062729 + 29593600 = 9277^2 + 5440^2 .

It is a cyclic number.

It is not a de Polignac number, because 115656329 - 2¹⁶ = 115590793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115656292 and 115656301.

It is not a weakly prime, because it can be changed into another prime (115656349) 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 as a sum of consecutive naturals, namely, 57828164 + 57828165.

It is an arithmetic number, because the mean of its divisors is an integer number (57828165).

Almost surely, 2^115656329 is an apocalyptic number.

It is an amenable number.

115656329 is a deficient number, since it is larger than the sum of its proper divisors (1).

115656329 is an equidigital number, since it uses as much as digits as its factorization.

115656329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 38.

The square root of 115656329 is about 10754.3632540472. The cubic root of 115656329 is about 487.2177866036.

The spelling of 115656329 in words is "one hundred fifteen million, six hundred fifty-six thousand, three hundred twenty-nine".