115282081 has 4 divisors (see below), whose sum is σ = 115309332. Its totient is φ = 115254832.

The previous prime is 115282073. The next prime is 115282133. The reversal of 115282081 is 180282511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89870400 + 25411681 = 9480^2 + 5041^2 .

It is a cyclic number.

It is not a de Polignac number, because 115282081 - 2³ = 115282073 is a prime.

It is a super-2 number, since 2×115282081² = 26579916399381122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115282781) 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 in 3 ways as a sum of consecutive naturals, for example, 5770 + ... + 16243.

It is an arithmetic number, because the mean of its divisors is an integer number (28827333).

Almost surely, 2^115282081 is an apocalyptic number.

It is an amenable number.

115282081 is a deficient number, since it is larger than the sum of its proper divisors (27251).

115282081 is an equidigital number, since it uses as much as digits as its factorization.

115282081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27250.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 115282081 is about 10736.9493339589. The cubic root of 115282081 is about 486.6916954560.

The spelling of 115282081 in words is "one hundred fifteen million, two hundred eighty-two thousand, eighty-one".