11064521 has 4 divisors (see below), whose sum is σ = 11915652. Its totient is φ = 10213392.

The previous prime is 11064509. The next prime is 11064583. The reversal of 11064521 is 12546011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3474496 + 7590025 = 1864^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 11064521 - 2¹⁸ = 10802377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11064493 and 11064502.

It is not an unprimeable number, because it can be changed into a prime (11061521) 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 in 3 ways as a sum of consecutive naturals, for example, 425546 + ... + 425571.

It is an arithmetic number, because the mean of its divisors is an integer number (2978913).

Almost surely, 2^11064521 is an apocalyptic number.

It is an amenable number.

11064521 is a deficient number, since it is larger than the sum of its proper divisors (851131).

11064521 is an equidigital number, since it uses as much as digits as its factorization.

11064521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851130.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 11064521 is about 3326.3374753624. The cubic root of 11064521 is about 222.8319901914.

The spelling of 11064521 in words is "eleven million, sixty-four thousand, five hundred twenty-one".