115646005 has 4 divisors (see below), whose sum is σ = 138775212. Its totient is φ = 92516800.

The previous prime is 115645987. The next prime is 115646009. The reversal of 115646005 is 500646511.

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 60871204 + 54774801 = 7802^2 + 7401^2 .

It is not a de Polignac number, because 115646005 - 2⁵ = 115645973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115646009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11564596 + ... + 11564605.

It is an arithmetic number, because the mean of its divisors is an integer number (34693803).

Almost surely, 2^115646005 is an apocalyptic number.

It is an amenable number.

115646005 is a deficient number, since it is larger than the sum of its proper divisors (23129207).

115646005 is an equidigital number, since it uses as much as digits as its factorization.

115646005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23129206.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 115646005 is about 10753.8832521094. The cubic root of 115646005 is about 487.2032890943.

The spelling of 115646005 in words is "one hundred fifteen million, six hundred forty-six thousand, five".