115983569 has 8 divisors (see below), whose sum is σ = 125126400. Its totient is φ = 106872336.

The previous prime is 115983473. The next prime is 115983577. The reversal of 115983569 is 965389511.

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 115983569 - 2¹² = 115979473 is a prime.

It is a super-2 number, since 2×115983569² = 26904376555955522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115983269) 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, 32 + ... + 15230.

It is an arithmetic number, because the mean of its divisors is an integer number (15640800).

Almost surely, 2^115983569 is an apocalyptic number.

It is an amenable number.

115983569 is a deficient number, since it is larger than the sum of its proper divisors (9142831).

115983569 is a wasteful number, since it uses less digits than its factorization.

115983569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15799.

The product of its digits is 291600, while the sum is 47.

The square root of 115983569 is about 10769.5667972301. The cubic root of 115983569 is about 487.6768680172.

The spelling of 115983569 in words is "one hundred fifteen million, nine hundred eighty-three thousand, five hundred sixty-nine".