811134522 has 48 divisors (see below), whose sum is σ = 1932383232. Its totient is φ = 243855360.

The previous prime is 811134497. The next prime is 811134523. The reversal of 811134522 is 225431118.

811134522 is a `hidden beast` number, since 8 + 1 + 1 + 134 + 522 = 666.

811134522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (811134523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9018 + ... + 41274.

It is an arithmetic number, because the mean of its divisors is an integer number (40257984).

Almost surely, 2^811134522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 811134522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (966191616).

811134522 is an abundant number, since it is smaller than the sum of its proper divisors (1121248710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

811134522 is a wasteful number, since it uses less digits than its factorization.

811134522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32403 (or 32400 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 811134522 is about 28480.4234870200. The cubic root of 811134522 is about 932.6047615460.

The spelling of 811134522 in words is "eight hundred eleven million, one hundred thirty-four thousand, five hundred twenty-two".