11009361 has 32 divisors (see below), whose sum is σ = 16773120. Its totient is φ = 6364800.

The previous prime is 11009359. The next prime is 11009377. The reversal of 11009361 is 16390011.

It is a happy number.

It is not a de Polignac number, because 11009361 - 2¹ = 11009359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11009321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106836 + ... + 106938.

It is an arithmetic number, because the mean of its divisors is an integer number (524160).

Almost surely, 2^11009361 is an apocalyptic number.

11009361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11009361 is a deficient number, since it is larger than the sum of its proper divisors (5763759).

11009361 is a wasteful number, since it uses less digits than its factorization.

11009361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 11009361 is about 3318.0357140935. The cubic root of 11009361 is about 222.4610780716.

Adding to 11009361 its reverse (16390011), we get a palindrome (27399372).

The spelling of 11009361 in words is "eleven million, nine thousand, three hundred sixty-one".