115524651665 has 8 divisors (see below), whose sum is σ = 146784263400. Its totient is φ = 86983267072.

The previous prime is 115524651647. The next prime is 115524651667. The reversal of 115524651665 is 566156425511.

It can be written as a sum of positive squares in 4 ways, for example, as 30647404096 + 84877247569 = 175064^2 + 291337^2 .

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 115524651665 - 2¹⁶ = 115524586129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115524651667) 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 7 ways as a sum of consecutive naturals, for example, 679556690 + ... + 679556859.

It is an arithmetic number, because the mean of its divisors is an integer number (18348032925).

Almost surely, 2^115524651665 is an apocalyptic number.

It is an amenable number.

115524651665 is a deficient number, since it is larger than the sum of its proper divisors (31259611735).

115524651665 is a wasteful number, since it uses less digits than its factorization.

115524651665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359113571.

The product of its digits is 1080000, while the sum is 47.

The spelling of 115524651665 in words is "one hundred fifteen billion, five hundred twenty-four million, six hundred fifty-one thousand, six hundred sixty-five".