113081559 has 16 divisors (see below), whose sum is σ = 160202880. Its totient is φ = 70748640.

The previous prime is 113081543. The next prime is 113081561. The reversal of 113081559 is 955180311.

It is not a de Polignac number, because 113081559 - 2⁴ = 113081543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113081159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3172 + ... + 15369.

It is an arithmetic number, because the mean of its divisors is an integer number (10012680).

Almost surely, 2^113081559 is an apocalyptic number.

113081559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

113081559 is a deficient number, since it is larger than the sum of its proper divisors (47121321).

113081559 is a wasteful number, since it uses less digits than its factorization.

113081559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18670.

The product of its (nonzero) digits is 5400, while the sum is 33.

The square root of 113081559 is about 10633.9813334423. The cubic root of 113081559 is about 483.5750986541.

The spelling of 113081559 in words is "one hundred thirteen million, eighty-one thousand, five hundred fifty-nine".