11230561 has 4 divisors (see below), whose sum is σ = 11372800. Its totient is φ = 11088324.

The previous prime is 11230559. The next prime is 11230589. The reversal of 11230561 is 16503211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11230561 - 2¹ = 11230559 is a prime.

It is a super-2 number, since 2×11230561² = 252251000749442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11230361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71001 + ... + 71158.

It is an arithmetic number, because the mean of its divisors is an integer number (2843200).

Almost surely, 2^11230561 is an apocalyptic number.

It is an amenable number.

11230561 is a deficient number, since it is larger than the sum of its proper divisors (142239).

11230561 is an equidigital number, since it uses as much as digits as its factorization.

11230561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142238.

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

The square root of 11230561 is about 3351.2029183563. The cubic root of 11230561 is about 223.9411051054.

Adding to 11230561 its reverse (16503211), we get a palindrome (27733772).

The spelling of 11230561 in words is "eleven million, two hundred thirty thousand, five hundred sixty-one".