6811043081 has 8 divisors (see below), whose sum is σ = 7212582144. Its totient is φ = 6409602880.

The previous prime is 6811043059. The next prime is 6811043087. The reversal of 6811043081 is 1803401186.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6811043081 - 2²⁶ = 6743934217 is a prime.

It is a super-2 number, since 2×6811043081² = 92780615702475945122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6811043087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154196 + ... + 193386.

It is an arithmetic number, because the mean of its divisors is an integer number (901572768).

Almost surely, 2^6811043081 is an apocalyptic number.

It is an amenable number.

6811043081 is a deficient number, since it is larger than the sum of its proper divisors (401539063).

6811043081 is a wasteful number, since it uses less digits than its factorization.

6811043081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49431.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 6811043081 is about 82529.0438633576. The cubic root of 6811043081 is about 1895.5614843991.

The spelling of 6811043081 in words is "six billion, eight hundred eleven million, forty-three thousand, eighty-one".