10811081 has 16 divisors (see below), whose sum is σ = 11764224. Its totient is φ = 9909504.

The previous prime is 10811077. The next prime is 10811089. The reversal of 10811081 is 18011801.

10811081 = 104² + 105² + ... + 322².

It is not a de Polignac number, because 10811081 - 2² = 10811077 is a prime.

It is a super-3 number, since 3×10811081³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (10811089) 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 15 ways as a sum of consecutive naturals, for example, 78845 + ... + 78981.

It is an arithmetic number, because the mean of its divisors is an integer number (735264).

Almost surely, 2^10811081 is an apocalyptic number.

It is an amenable number.

10811081 is a deficient number, since it is larger than the sum of its proper divisors (953143).

10811081 is a wasteful number, since it uses less digits than its factorization.

10811081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 64, while the sum is 20.

The square root of 10811081 is about 3288.0208332673. The cubic root of 10811081 is about 221.1174617691.

Adding to 10811081 its reverse (18011801), we get a palindrome (28822882).

The spelling of 10811081 in words is "ten million, eight hundred eleven thousand, eighty-one".