118811 has 8 divisors (see below), whose sum is σ = 148224. Its totient is φ = 92520.

The previous prime is 118801. The next prime is 118819.

118811 = T₁₉₆ + T₁₉₇ + ... + T₂₀₁.

118811 is nontrivially palindromic in base 10.

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 118811 - 2⁶ = 118747 is a prime.

It is an Ulam number.

118811 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (118819) 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, 695 + ... + 848.

It is an arithmetic number, because the mean of its divisors is an integer number (18528).

2¹¹⁸⁸¹¹ is an apocalyptic number.

118811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118811 is a deficient number, since it is larger than the sum of its proper divisors (29413).

118811 is a wasteful number, since it uses less digits than its factorization.

118811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561.

The product of its digits is 64, while the sum is 20.

The square root of 118811 is about 344.6897155414. The cubic root of 118811 is about 49.1607934508.

It can be divided in two parts, 118 and 811, that added together give a palindrome (929).

The spelling of 118811 in words is "one hundred eighteen thousand, eight hundred eleven".