116818911 has 12 divisors (see below), whose sum is σ = 184078440. Its totient is φ = 70799280.

The previous prime is 116818901. The next prime is 116818939. The reversal of 116818911 is 119818611.

It is not a de Polignac number, because 116818911 - 2⁹ = 116818399 is a prime.

116818911 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116818901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 589896 + ... + 590093.

It is an arithmetic number, because the mean of its divisors is an integer number (15339870).

Almost surely, 2^116818911 is an apocalyptic number.

116818911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116818911 is a deficient number, since it is larger than the sum of its proper divisors (67259529).

116818911 is a wasteful number, since it uses less digits than its factorization.

116818911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180006 (or 1180003 counting only the distinct ones).

The product of its digits is 3456, while the sum is 36.

The square root of 116818911 is about 10808.2797428638. The cubic root of 116818911 is about 488.8448577559.

The spelling of 116818911 in words is "one hundred sixteen million, eight hundred eighteen thousand, nine hundred eleven".