115655 has 4 divisors (see below), whose sum is σ = 138792. Its totient is φ = 92520.

The previous prime is 115637. The next prime is 115657. The reversal of 115655 is 556511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556511 = 179 ⋅3109.

It is not a de Polignac number, because 115655 - 2⁸ = 115399 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 115655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115657) 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, 11561 + ... + 11570.

It is an arithmetic number, because the mean of its divisors is an integer number (34698).

2¹¹⁵⁶⁵⁵ is an apocalyptic number.

115655 is a deficient number, since it is larger than the sum of its proper divisors (23137).

115655 is an equidigital number, since it uses as much as digits as its factorization.

115655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23136.

The product of its digits is 750, while the sum is 23.

The square root of 115655 is about 340.0808727347. The cubic root of 115655 is about 48.7215920400.

The spelling of 115655 in words is "one hundred fifteen thousand, six hundred fifty-five".