811151000 has 128 divisors (see below), whose sum is σ = 2127677760. Its totient is φ = 286848000.

The previous prime is 811150999. The next prime is 811151009. The reversal of 811151000 is 151118.

It is a self number, because there is not a number n which added to its sum of digits gives 811151000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811151009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406004 + ... + 407996.

Almost surely, 2^811151000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 811151000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063838880).

811151000 is an abundant number, since it is smaller than the sum of its proper divisors (1316526760).

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

811151000 is a wasteful number, since it uses less digits than its factorization.

811151000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062 (or 2048 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 811151000 is about 28480.7127719796. The cubic root of 811151000 is about 932.6110767160.

The spelling of 811151000 in words is "eight hundred eleven million, one hundred fifty-one thousand".