11480561 has 4 divisors (see below), whose sum is σ = 11502324. Its totient is φ = 11458800.

The previous prime is 11480551. The next prime is 11480563. The reversal of 11480561 is 16508411.

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 8439025 + 3041536 = 2905^2 + 1744^2 .

It is a cyclic number.

It is not a de Polignac number, because 11480561 - 2¹⁴ = 11464177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11480561.

It is not an unprimeable number, because it can be changed into a prime (11480563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10070 + ... + 11151.

It is an arithmetic number, because the mean of its divisors is an integer number (2875581).

Almost surely, 2^11480561 is an apocalyptic number.

It is an amenable number.

11480561 is a deficient number, since it is larger than the sum of its proper divisors (21763).

11480561 is an equidigital number, since it uses as much as digits as its factorization.

11480561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21762.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 11480561 is about 3388.2976551655. The cubic root of 11480561 is about 225.5906194752.

Adding to 11480561 its reverse (16508411), we get a palindrome (27988972).

The spelling of 11480561 in words is "eleven million, four hundred eighty thousand, five hundred sixty-one".