11305065 has 16 divisors (see below), whose sum is σ = 18200448. Its totient is φ = 5991936.

The previous prime is 11305061. The next prime is 11305067. The reversal of 11305065 is 56050311.

It is a happy number.

It is not a de Polignac number, because 11305065 - 2² = 11305061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11305061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249 + ... + 4761.

It is an arithmetic number, because the mean of its divisors is an integer number (1137528).

Almost surely, 2^11305065 is an apocalyptic number.

11305065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11305065 is a deficient number, since it is larger than the sum of its proper divisors (6895383).

11305065 is a wasteful number, since it uses less digits than its factorization.

11305065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 11305065 is about 3362.3005517056. The cubic root of 11305065 is about 224.4352255160.

Adding to 11305065 its reverse (56050311), we get a palindrome (67355376).

The spelling of 11305065 in words is "eleven million, three hundred five thousand, sixty-five".