118111 has 8 divisors (see below), whose sum is σ = 138240. Its totient is φ = 98808.

The previous prime is 118093. The next prime is 118127. The reversal of 118111 is 111811.

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

It is a cyclic number.

It is not a de Polignac number, because 118111 - 2¹³ = 109919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118091 and 118100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150 + ... + 508.

It is an arithmetic number, because the mean of its divisors is an integer number (17280).

2¹¹⁸¹¹¹ is an apocalyptic number.

118111 is a deficient number, since it is larger than the sum of its proper divisors (20129).

118111 is an equidigital number, since it uses as much as digits as its factorization.

118111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its digits is 8, while the sum is 13.

The square root of 118111 is about 343.6728095151. The cubic root of 118111 is about 49.0640561666.

Adding to 118111 its reverse (111811), we get a palindrome (229922).

The spelling of 118111 in words is "one hundred eighteen thousand, one hundred eleven".