11011081 has 2 divisors, whose sum is σ = 11011082. Its totient is φ = 11011080.

The previous prime is 11011069. The next prime is 11011093. The reversal of 11011081 is 18011011.

11011081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11011069) and next prime (11011093).

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 1245456 = 3125^2 + 1116^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011081 - 2⁹ = 11010569 is a prime.

It is a super-3 number, since 3×11011081³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (11011031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505540 + 5505541.

It is an arithmetic number, because the mean of its divisors is an integer number (5505541).

Almost surely, 2^11011081 is an apocalyptic number.

It is an amenable number.

11011081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011081 is an equidigital number, since it uses as much as digits as its factorization.

11011081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

The square root of 11011081 is about 3318.2948934656. The cubic root of 11011081 is about 222.4726625505.

Adding to 11011081 its reverse (18011011), we get a palindrome (29022092).

The spelling of 11011081 in words is "eleven million, eleven thousand, eighty-one".