115885097 has 2 divisors, whose sum is σ = 115885098. Its totient is φ = 115885096.

The previous prime is 115885079. The next prime is 115885139. The reversal of 115885097 is 790588511.

It is a happy number.

Together with previous prime (115885079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78074896 + 37810201 = 8836^2 + 6149^2 .

It is an emirp because it is prime and its reverse (790588511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115885097 - 2²⁴ = 99107881 is a prime.

It is not a weakly prime, because it can be changed into another prime (115885397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57942548 + 57942549.

It is an arithmetic number, because the mean of its divisors is an integer number (57942549).

Almost surely, 2^115885097 is an apocalyptic number.

It is an amenable number.

115885097 is a deficient number, since it is larger than the sum of its proper divisors (1).

115885097 is an equidigital number, since it uses as much as digits as its factorization.

115885097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 44.

The square root of 115885097 is about 10764.9940548056. The cubic root of 115885097 is about 487.5388136530.

The spelling of 115885097 in words is "one hundred fifteen million, eight hundred eighty-five thousand, ninety-seven".