115616569 has 8 divisors (see below), whose sum is σ = 118320768. Its totient is φ = 112922640.

The previous prime is 115616563. The next prime is 115616587. The reversal of 115616569 is 965616511.

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 115616569 - 2⁷ = 115616441 is a prime.

It is a super-4 number, since 4×115616569⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115616563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23154 + ... + 27700.

It is an arithmetic number, because the mean of its divisors is an integer number (14790096).

Almost surely, 2^115616569 is an apocalyptic number.

It is an amenable number.

115616569 is a deficient number, since it is larger than the sum of its proper divisors (2704199).

115616569 is an equidigital number, since it uses as much as digits as its factorization.

115616569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135.

The product of its digits is 48600, while the sum is 40.

The square root of 115616569 is about 10752.5145431197. The cubic root of 115616569 is about 487.1619487616.

The spelling of 115616569 in words is "one hundred fifteen million, six hundred sixteen thousand, five hundred sixty-nine".