115558 has 8 divisors (see below), whose sum is σ = 182520. Its totient is φ = 54720.

The previous prime is 115553. The next prime is 115561. The reversal of 115558 is 855511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×115558³ = 4629363732963336, which contains 333 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115553) by changing a digit.

115558 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1483 + ... + 1558.

It is an arithmetic number, because the mean of its divisors is an integer number (22815).

2¹¹⁵⁵⁵⁸ is an apocalyptic number.

115558 is a deficient number, since it is larger than the sum of its proper divisors (66962).

115558 is a wasteful number, since it uses less digits than its factorization.

115558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062.

The product of its digits is 1000, while the sum is 25.

The square root of 115558 is about 339.9382296830. The cubic root of 115558 is about 48.7079672759.

The spelling of 115558 in words is "one hundred fifteen thousand, five hundred fifty-eight".