11056321 has 2 divisors, whose sum is σ = 11056322. Its totient is φ = 11056320.

The previous prime is 11056301. The next prime is 11056387. The reversal of 11056321 is 12365011.

11056321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5948721 + 5107600 = 2439^2 + 2260^2 .

It is a cyclic number.

It is not a de Polignac number, because 11056321 - 2⁷ = 11056193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11056301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528160 + 5528161.

It is an arithmetic number, because the mean of its divisors is an integer number (5528161).

Almost surely, 2^11056321 is an apocalyptic number.

It is an amenable number.

11056321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11056321 is an equidigital number, since it uses as much as digits as its factorization.

11056321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 11056321 is about 3325.1046600070. The cubic root of 11056321 is about 222.7769290973.

The spelling of 11056321 in words is "eleven million, fifty-six thousand, three hundred twenty-one".