811116459 has 48 divisors (see below), whose sum is σ = 1257265152. Its totient is φ = 502713024.

The previous prime is 811116433. The next prime is 811116473. The reversal of 811116459 is 954611118.

It is a happy number.

811116459 is a `hidden beast` number, since 8 + 1 + 1 + 1 + 1 + 645 + 9 = 666.

811116459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 811116459 - 2⁸ = 811116203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (811116409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2558569 + ... + 2558885.

It is an arithmetic number, because the mean of its divisors is an integer number (26193024).

Almost surely, 2^811116459 is an apocalyptic number.

811116459 is a deficient number, since it is larger than the sum of its proper divisors (446148693).

811116459 is a wasteful number, since it uses less digits than its factorization.

811116459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 653 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 811116459 is about 28480.1063726946. The cubic root of 811116459 is about 932.5978388288.

The spelling of 811116459 in words is "eight hundred eleven million, one hundred sixteen thousand, four hundred fifty-nine".