11093281 has 2 divisors, whose sum is σ = 11093282. Its totient is φ = 11093280.

The previous prime is 11093261. The next prime is 11093287. The reversal of 11093281 is 18239011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5803281 + 5290000 = 2409^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 11093281 - 2⁹ = 11092769 is a prime.

It is a super-2 number, since 2×11093281² = 246121766689922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11093287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5546640 + 5546641.

It is an arithmetic number, because the mean of its divisors is an integer number (5546641).

Almost surely, 2^11093281 is an apocalyptic number.

It is an amenable number.

11093281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11093281 is an equidigital number, since it uses as much as digits as its factorization.

11093281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 11093281 is about 3330.6577428490. The cubic root of 11093281 is about 223.0248921519.

The spelling of 11093281 in words is "eleven million, ninety-three thousand, two hundred eighty-one".