11308005 has 48 divisors (see below), whose sum is σ = 20913984. Its totient is φ = 5857920.

The previous prime is 11307979. The next prime is 11308007. The reversal of 11308005 is 50080311.

It is a happy number.

It is not a de Polignac number, because 11308005 - 2⁹ = 11307493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11308007) 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 47 ways as a sum of consecutive naturals, for example, 49702 + ... + 49928.

It is an arithmetic number, because the mean of its divisors is an integer number (435708).

Almost surely, 2^11308005 is an apocalyptic number.

11308005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11308005 is a deficient number, since it is larger than the sum of its proper divisors (9605979).

11308005 is an equidigital number, since it uses as much as digits as its factorization.

11308005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11308005 is about 3362.7377239386. The cubic root of 11308005 is about 224.4546794031.

Adding to 11308005 its reverse (50080311), we get a palindrome (61388316).

The spelling of 11308005 in words is "eleven million, three hundred eight thousand, five".