11322561 has 8 divisors (see below), whose sum is σ = 15984864. Its totient is φ = 7104320.

The previous prime is 11322559. The next prime is 11322599. The reversal of 11322561 is 16522311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11322561 - 2¹ = 11322559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11322511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110955 + ... + 111056.

It is an arithmetic number, because the mean of its divisors is an integer number (1998108).

Almost surely, 2^11322561 is an apocalyptic number.

It is an amenable number.

11322561 is a deficient number, since it is larger than the sum of its proper divisors (4662303).

11322561 is a wasteful number, since it uses less digits than its factorization.

11322561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222031.

The product of its digits is 360, while the sum is 21.

The square root of 11322561 is about 3364.9013358492. The cubic root of 11322561 is about 224.5509463530.

Adding to 11322561 its reverse (16522311), we get a palindrome (27844872).

The spelling of 11322561 in words is "eleven million, three hundred twenty-two thousand, five hundred sixty-one".