115606081 has 2 divisors, whose sum is σ = 115606082. Its totient is φ = 115606080.

The previous prime is 115606079. The next prime is 115606097. The reversal of 115606081 is 180606511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71250481 + 44355600 = 8441^2 + 6660^2 .

It is a cyclic number.

It is not a de Polignac number, because 115606081 - 2¹ = 115606079 is a prime.

It is a super-2 number, since 2×115606081² = 26729531928357122, which contains 22 as substring.

Together with 115606079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (115606031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57803040 + 57803041.

It is an arithmetic number, because the mean of its divisors is an integer number (57803041).

Almost surely, 2^115606081 is an apocalyptic number.

It is an amenable number.

115606081 is a deficient number, since it is larger than the sum of its proper divisors (1).

115606081 is an equidigital number, since it uses as much as digits as its factorization.

115606081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 115606081 is about 10752.0268321838. The cubic root of 115606081 is about 487.1472175713.

The spelling of 115606081 in words is "one hundred fifteen million, six hundred six thousand, eighty-one".