811153 has 4 divisors (see below), whose sum is σ = 927040. Its totient is φ = 695268.

The previous prime is 811147. The next prime is 811157. The reversal of 811153 is 351118.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 811153 - 2¹⁷ = 680081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 811153.

It is not an unprimeable number, because it can be changed into a prime (811157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57933 + ... + 57946.

It is an arithmetic number, because the mean of its divisors is an integer number (231760).

2⁸¹¹¹⁵³ is an apocalyptic number.

It is an amenable number.

811153 is a deficient number, since it is larger than the sum of its proper divisors (115887).

811153 is a wasteful number, since it uses less digits than its factorization.

811153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115886.

The product of its digits is 120, while the sum is 19.

The square root of 811153 is about 900.6403277669. The cubic root of 811153 is about 93.2611843207.

It can be divided in two parts, 81115 and 3, that added together give a palindrome (81118).

The spelling of 811153 in words is "eight hundred eleven thousand, one hundred fifty-three".