115455091 has 2 divisors, whose sum is σ = 115455092. Its totient is φ = 115455090.

The previous prime is 115455083. The next prime is 115455157. The reversal of 115455091 is 190554511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115455091 - 2³ = 115455083 is a prime.

It is not a weakly prime, because it can be changed into another prime (115455391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57727545 + 57727546.

It is an arithmetic number, because the mean of its divisors is an integer number (57727546).

Almost surely, 2^115455091 is an apocalyptic number.

115455091 is a deficient number, since it is larger than the sum of its proper divisors (1).

115455091 is an equidigital number, since it uses as much as digits as its factorization.

115455091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 115455091 is about 10745.0030711955. The cubic root of 115455091 is about 486.9350418696.

The spelling of 115455091 in words is "one hundred fifteen million, four hundred fifty-five thousand, ninety-one".