811500536 has 192 divisors, whose sum is σ = 2059223040. Its totient is φ = 292723200.

The previous prime is 811500527. The next prime is 811500589. The reversal of 811500536 is 635005118.

811500536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 811500499 and 811500508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6389705 + ... + 6389831.

It is an arithmetic number, because the mean of its divisors is an integer number (10725120).

Almost surely, 2^811500536 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 811500536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029611520).

811500536 is an abundant number, since it is smaller than the sum of its proper divisors (1247722504).

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

811500536 is a wasteful number, since it uses less digits than its factorization.

811500536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 811500536 is about 28486.8484743399. The cubic root of 811500536 is about 932.7450157456.

The spelling of 811500536 in words is "eight hundred eleven million, five hundred thousand, five hundred thirty-six".