115655565 has 32 divisors (see below), whose sum is σ = 195655680. Its totient is φ = 58176576.

The previous prime is 115655549. The next prime is 115655587. The reversal of 115655565 is 565556511.

It is not a de Polignac number, because 115655565 - 2⁴ = 115655549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74184 + ... + 75726.

It is an arithmetic number, because the mean of its divisors is an integer number (6114240).

Almost surely, 2^115655565 is an apocalyptic number.

115655565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115655565 is a deficient number, since it is larger than the sum of its proper divisors (80000115).

115655565 is a wasteful number, since it uses less digits than its factorization.

115655565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833.

The product of its digits is 112500, while the sum is 39.

The square root of 115655565 is about 10754.3277335220. The cubic root of 115655565 is about 487.2167137838.

The spelling of 115655565 in words is "one hundred fifteen million, six hundred fifty-five thousand, five hundred sixty-five".