11026181 has 2 divisors, whose sum is σ = 11026182. Its totient is φ = 11026180.

The previous prime is 11026163. The next prime is 11026193. The reversal of 11026181 is 18162011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8673025 + 2353156 = 2945^2 + 1534^2 .

It is a cyclic number.

It is not a de Polignac number, because 11026181 - 2⁶ = 11026117 is a prime.

It is a super-2 number, since 2×11026181² = 243153334889522, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11026151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5513090 + 5513091.

It is an arithmetic number, because the mean of its divisors is an integer number (5513091).

Almost surely, 2^11026181 is an apocalyptic number.

It is an amenable number.

11026181 is a deficient number, since it is larger than the sum of its proper divisors (1).

11026181 is an equidigital number, since it uses as much as digits as its factorization.

11026181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 11026181 is about 3320.5693788867. The cubic root of 11026181 is about 222.5743117519.

Adding to 11026181 its reverse (18162011), we get a palindrome (29188192).

The spelling of 11026181 in words is "eleven million, twenty-six thousand, one hundred eighty-one".