118611 has 16 divisors (see below), whose sum is σ = 184320. Its totient is φ = 75240.

The previous prime is 118603. The next prime is 118619. The reversal of 118611 is 116811.

It is an interprime number because it is at equal distance from previous prime (118603) and next prime (118619).

It is not a de Polignac number, because 118611 - 2³ = 118603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118619) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 526 + ... + 716.

It is an arithmetic number, because the mean of its divisors is an integer number (11520).

2¹¹⁸⁶¹¹ is an apocalyptic number.

118611 is a deficient number, since it is larger than the sum of its proper divisors (65709).

118611 is a wasteful number, since it uses less digits than its factorization.

118611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 217 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

The square root of 118611 is about 344.3994773515. The cubic root of 118611 is about 49.1331930860.

It can be divided in two parts, 118 and 611, that added together give a 6-th power (729 = 3⁶).

The spelling of 118611 in words is "one hundred eighteen thousand, six hundred eleven".