115755089 has 2 divisors, whose sum is σ = 115755090. Its totient is φ = 115755088.

The previous prime is 115755083. The next prime is 115755139. The reversal of 115755089 is 980557511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113529025 + 2226064 = 10655^2 + 1492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115755089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (115755083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57877544 + 57877545.

It is an arithmetic number, because the mean of its divisors is an integer number (57877545).

Almost surely, 2^115755089 is an apocalyptic number.

It is an amenable number.

115755089 is a deficient number, since it is larger than the sum of its proper divisors (1).

115755089 is an equidigital number, since it uses as much as digits as its factorization.

115755089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 41.

The square root of 115755089 is about 10758.9538989625. The cubic root of 115755089 is about 487.3564270610.

The spelling of 115755089 in words is "one hundred fifteen million, seven hundred fifty-five thousand, eighty-nine".