811135075 has 12 divisors (see below), whose sum is σ = 1040491440. Its totient is φ = 626531360.

The previous prime is 811135067. The next prime is 811135081. The reversal of 811135075 is 570531118.

It is not a de Polignac number, because 811135075 - 2³ = 811135067 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 558679 + ... + 560128.

It is an arithmetic number, because the mean of its divisors is an integer number (86707620).

Almost surely, 2^811135075 is an apocalyptic number.

811135075 is a deficient number, since it is larger than the sum of its proper divisors (229356365).

811135075 is a wasteful number, since it uses less digits than its factorization.

811135075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118846 (or 1118841 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 811135075 is about 28480.4331954414. The cubic root of 811135075 is about 932.6049734839.

The spelling of 811135075 in words is "eight hundred eleven million, one hundred thirty-five thousand, seventy-five".