113559091 has 2 divisors, whose sum is σ = 113559092. Its totient is φ = 113559090.

The previous prime is 113559059. The next prime is 113559221. The reversal of 113559091 is 190955311.

It is a weak prime.

It is an emirp because it is prime and its reverse (190955311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113559091 - 2⁵ = 113559059 is a prime.

It is not a weakly prime, because it can be changed into another prime (113559991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56779545 + 56779546.

It is an arithmetic number, because the mean of its divisors is an integer number (56779546).

Almost surely, 2^113559091 is an apocalyptic number.

113559091 is a deficient number, since it is larger than the sum of its proper divisors (1).

113559091 is an equidigital number, since it uses as much as digits as its factorization.

113559091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6075, while the sum is 34.

The square root of 113559091 is about 10656.4107935083. The cubic root of 113559091 is about 484.2548389886.

The spelling of 113559091 in words is "one hundred thirteen million, five hundred fifty-nine thousand, ninety-one".