115922569 has 4 divisors (see below), whose sum is σ = 132482944. Its totient is φ = 99362196.

The previous prime is 115922557. The next prime is 115922579. The reversal of 115922569 is 965229511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115922569 - 2⁵ = 115922537 is a prime.

It is a super-2 number, since 2×115922569² = 26876084007119522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115922579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8280177 + ... + 8280190.

It is an arithmetic number, because the mean of its divisors is an integer number (33120736).

Almost surely, 2^115922569 is an apocalyptic number.

It is an amenable number.

115922569 is a deficient number, since it is larger than the sum of its proper divisors (16560375).

115922569 is an equidigital number, since it uses as much as digits as its factorization.

115922569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16560374.

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

The square root of 115922569 is about 10766.7343702722. The cubic root of 115922569 is about 487.5913573252.

It can be divided in two parts, 11592 and 2569, that added together give a square (14161 = 119²).

The spelling of 115922569 in words is "one hundred fifteen million, nine hundred twenty-two thousand, five hundred sixty-nine".