811110011011011 has 24 divisors (see below), whose sum is σ = 1255467231804240. Its totient is φ = 502800063515136.

The previous prime is 811110011011007. The next prime is 811110011011033. The reversal of 811110011011011 is 110110110011118.

811110011011011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 811110011011011 - 2² = 811110011011007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (811110011011081) 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, 31935966946 + ... + 31935992343.

It is an arithmetic number, because the mean of its divisors is an integer number (52311134658510).

Almost surely, 2^{811110011011011} is an apocalyptic number.

811110011011011 is a deficient number, since it is larger than the sum of its proper divisors (444357220793229).

811110011011011 is a wasteful number, since it uses less digits than its factorization.

811110011011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63871959395 (or 63871959392 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 18.

Adding to 811110011011011 its reverse (110110110011118), we get a palindrome (921220121022129).

The spelling of 811110011011011 in words is "eight hundred eleven trillion, one hundred ten billion, eleven million, eleven thousand, eleven".