116811 has 6 divisors (see below), whose sum is σ = 168740. Its totient is φ = 77868.

The previous prime is 116803. The next prime is 116819. The reversal of 116811 is 118611.

It is an interprime number because it is at equal distance from previous prime (116803) and next prime (116819).

It is not a de Polignac number, because 116811 - 2³ = 116803 is a prime.

It is a Duffinian number.

116811 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 116811.

It is not an unprimeable number, because it can be changed into a prime (116819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6481 + ... + 6498.

2¹¹⁶⁸¹¹ is an apocalyptic number.

116811 is a deficient number, since it is larger than the sum of its proper divisors (51929).

116811 is a wasteful number, since it uses less digits than its factorization.

116811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12985 (or 12982 counting only the distinct ones).

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

The square root of 116811 is about 341.7762425916. The cubic root of 116811 is about 48.8833822616.

The spelling of 116811 in words is "one hundred sixteen thousand, eight hundred eleven".