115650615065 has 8 divisors (see below), whose sum is σ = 138786418440. Its totient is φ = 92516705152.

The previous prime is 115650615019. The next prime is 115650615071. The reversal of 115650615065 is 560516056511.

It can be written as a sum of positive squares in 4 ways, for example, as 27024729664 + 88625885401 = 164392^2 + 297701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115650615065 - 2²⁴ = 115633837849 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 335330 + ... + 586299.

It is an arithmetic number, because the mean of its divisors is an integer number (17348302305).

Almost surely, 2^115650615065 is an apocalyptic number.

It is an amenable number.

115650615065 is a deficient number, since it is larger than the sum of its proper divisors (23135803375).

115650615065 is an equidigital number, since it uses as much as digits as its factorization.

115650615065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946731.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 115650615065 in words is "one hundred fifteen billion, six hundred fifty million, six hundred fifteen thousand, sixty-five".