115665150605 has 8 divisors (see below), whose sum is σ = 138800331000. Its totient is φ = 92530686976.

The previous prime is 115665150563. The next prime is 115665150607. The reversal of 115665150605 is 506051566511.

It can be written as a sum of positive squares in 4 ways, for example, as 19462203049 + 96202947556 = 139507^2 + 310166^2 .

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 115665150605 - 2³⁶ = 46945673869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115665150607) 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, 285281 + ... + 559209.

It is an arithmetic number, because the mean of its divisors is an integer number (17350041375).

Almost surely, 2^115665150605 is an apocalyptic number.

It is an amenable number.

115665150605 is a deficient number, since it is larger than the sum of its proper divisors (23135180395).

115665150605 is an equidigital number, since it uses as much as digits as its factorization.

115665150605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358383.

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

The spelling of 115665150605 in words is "one hundred fifteen billion, six hundred sixty-five million, one hundred fifty thousand, six hundred five".