8011081 has 8 divisors (see below), whose sum is σ = 8666504. Its totient is φ = 7361280.

The previous prime is 8011067. The next prime is 8011127. The reversal of 8011081 is 1801108.

It is the 1156-th star number.

It can be written as a sum of positive squares in 4 ways, for example, as 672400 + 7338681 = 820^2 + 2709^2 .

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 8011081 - 2⁷ = 8010953 is a prime.

It is a super-3 number, since 3×8011081³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8011021) 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 7 ways as a sum of consecutive naturals, for example, 1855 + ... + 4411.

It is an arithmetic number, because the mean of its divisors is an integer number (1083313).

Almost surely, 2^8011081 is an apocalyptic number.

It is an amenable number.

8011081 is a deficient number, since it is larger than the sum of its proper divisors (655423).

8011081 is a wasteful number, since it uses less digits than its factorization.

8011081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 8011081 is about 2830.3853094588. The cubic root of 8011081 is about 200.0922990645.

Adding to 8011081 its reverse (1801108), we get a palindrome (9812189).

The spelling of 8011081 in words is "eight million, eleven thousand, eighty-one".