115565620559 has 8 divisors (see below), whose sum is σ = 116749897440. Its totient is φ = 114383599200.

The previous prime is 115565620519. The next prime is 115565620561. The reversal of 115565620559 is 955026565511.

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 115565620559 - 2²⁴ = 115548843343 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 (115565620519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460787 + ... + 665924.

It is an arithmetic number, because the mean of its divisors is an integer number (14593737180).

Almost surely, 2^115565620559 is an apocalyptic number.

115565620559 is a deficient number, since it is larger than the sum of its proper divisors (1184276881).

115565620559 is a wasteful number, since it uses less digits than its factorization.

115565620559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127761.

The product of its (nonzero) digits is 2025000, while the sum is 50.

The spelling of 115565620559 in words is "one hundred fifteen billion, five hundred sixty-five million, six hundred twenty thousand, five hundred fifty-nine".