11334561 has 32 divisors (see below), whose sum is σ = 18628608. Its totient is φ = 5987520.

The previous prime is 11334559. The next prime is 11334571. The reversal of 11334561 is 16543311.

It is not a de Polignac number, because 11334561 - 2¹ = 11334559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11334571) 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 31 ways as a sum of consecutive naturals, for example, 14595 + ... + 15351.

It is an arithmetic number, because the mean of its divisors is an integer number (582144).

Almost surely, 2^11334561 is an apocalyptic number.

It is an amenable number.

11334561 is a deficient number, since it is larger than the sum of its proper divisors (7294047).

11334561 is a wasteful number, since it uses less digits than its factorization.

11334561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its digits is 1080, while the sum is 24.

The square root of 11334561 is about 3366.6839768532. The cubic root of 11334561 is about 224.6302470215.

Adding to 11334561 its reverse (16543311), we get a palindrome (27877872).

The spelling of 11334561 in words is "eleven million, three hundred thirty-four thousand, five hundred sixty-one".