115650611565 has 64 divisors (see below), whose sum is σ = 190192231680. Its totient is φ = 59988418560.

The previous prime is 115650611561. The next prime is 115650611591. The reversal of 115650611565 is 565116056511.

It is not a de Polignac number, because 115650611565 - 2² = 115650611561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115650611561) 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 63 ways as a sum of consecutive naturals, for example, 67120794 + ... + 67122516.

It is an arithmetic number, because the mean of its divisors is an integer number (2971753620).

Almost surely, 2^115650611565 is an apocalyptic number.

115650611565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115650611565 is a deficient number, since it is larger than the sum of its proper divisors (74541620115).

115650611565 is a wasteful number, since it uses less digits than its factorization.

115650611565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 115650611565 in words is "one hundred fifteen billion, six hundred fifty million, six hundred eleven thousand, five hundred sixty-five".