11343505 has 16 divisors (see below), whose sum is σ = 14552784. Its totient is φ = 8458240.

The previous prime is 11343503. The next prime is 11343509. The reversal of 11343505 is 50534311.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 81 + 11343424 = 9^2 + 3368^2 .

It is not a de Polignac number, because 11343505 - 2¹ = 11343503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11343503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9015 + ... + 10195.

It is an arithmetic number, because the mean of its divisors is an integer number (909549).

Almost surely, 2^11343505 is an apocalyptic number.

It is an amenable number.

11343505 is a deficient number, since it is larger than the sum of its proper divisors (3209279).

11343505 is a wasteful number, since it uses less digits than its factorization.

11343505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 11343505 is about 3368.0120249192. The cubic root of 11343505 is about 224.6893160556.

Adding to 11343505 its reverse (50534311), we get a palindrome (61877816).

The spelling of 11343505 in words is "eleven million, three hundred forty-three thousand, five hundred five".