118555 has 8 divisors (see below), whose sum is σ = 144144. Its totient is φ = 93600.

The previous prime is 118549. The next prime is 118571. The reversal of 118555 is 555811.

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

It is not a de Polignac number, because 118555 - 2⁹ = 118043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565 + ... + 745.

It is an arithmetic number, because the mean of its divisors is an integer number (18018).

2¹¹⁸⁵⁵⁵ is an apocalyptic number.

118555 is a deficient number, since it is larger than the sum of its proper divisors (25589).

118555 is a wasteful number, since it uses less digits than its factorization.

118555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317.

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

The square root of 118555 is about 344.3181668167. The cubic root of 118555 is about 49.1254594246.

The spelling of 118555 in words is "one hundred eighteen thousand, five hundred fifty-five".