115554091 has 2 divisors, whose sum is σ = 115554092. Its totient is φ = 115554090.

The previous prime is 115554079. The next prime is 115554097. The reversal of 115554091 is 190455511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115554091 is a prime.

It is equal to p_6602467 and since 115554091 and 6602467 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (115554097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57777045 + 57777046.

It is an arithmetic number, because the mean of its divisors is an integer number (57777046).

Almost surely, 2^115554091 is an apocalyptic number.

115554091 is a deficient number, since it is larger than the sum of its proper divisors (1).

115554091 is an equidigital number, since it uses as much as digits as its factorization.

115554091 is an evil number, because the sum of its binary digits is even.

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

The square root of 115554091 is about 10749.6088766057. The cubic root of 115554091 is about 487.0741805212.

The spelling of 115554091 in words is "one hundred fifteen million, five hundred fifty-four thousand, ninety-one".