115660 has 12 divisors (see below), whose sum is σ = 242928. Its totient is φ = 46256.

The previous prime is 115657. The next prime is 115663. The reversal of 115660 is 66511.

115660 is nontrivially palindromic in base 9.

It is an interprime number because it is at equal distance from previous prime (115657) and next prime (115663).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (115663) 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, 2872 + ... + 2911.

It is an arithmetic number, because the mean of its divisors is an integer number (20244).

2¹¹⁵⁶⁶⁰ is an apocalyptic number.

115660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115660 is an abundant number, since it is smaller than the sum of its proper divisors (127268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115660 is a wasteful number, since it uses less digits than its factorization.

115660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792 (or 5790 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 115660 is about 340.0882238479. The cubic root of 115660 is about 48.7222941409.

It can be divided in two parts, 11 and 5660, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 115660 in words is "one hundred fifteen thousand, six hundred sixty".