115956637 has 2 divisors, whose sum is σ = 115956638. Its totient is φ = 115956636.

The previous prime is 115956571. The next prime is 115956667. The reversal of 115956637 is 736659511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115218756 + 737881 = 10734^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 115956637 - 2²³ = 107568029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115956593 and 115956602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115956667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57978318 + 57978319.

It is an arithmetic number, because the mean of its divisors is an integer number (57978319).

Almost surely, 2^115956637 is an apocalyptic number.

It is an amenable number.

115956637 is a deficient number, since it is larger than the sum of its proper divisors (1).

115956637 is an equidigital number, since it uses as much as digits as its factorization.

115956637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 43.

The square root of 115956637 is about 10768.3163493649. The cubic root of 115956637 is about 487.6391180432.

The spelling of 115956637 in words is "one hundred fifteen million, nine hundred fifty-six thousand, six hundred thirty-seven".