11307211 has 2 divisors, whose sum is σ = 11307212. Its totient is φ = 11307210.

The previous prime is 11307199. The next prime is 11307217. The reversal of 11307211 is 11270311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11307211 - 2⁷ = 11307083 is a prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (11307217) 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 as a sum of consecutive naturals, namely, 5653605 + 5653606.

It is an arithmetic number, because the mean of its divisors is an integer number (5653606).

Almost surely, 2^11307211 is an apocalyptic number.

11307211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11307211 is an equidigital number, since it uses as much as digits as its factorization.

11307211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11307211 is about 3362.6196632982. The cubic root of 11307211 is about 224.4494258626.

Adding to 11307211 its reverse (11270311), we get a palindrome (22577522).

The spelling of 11307211 in words is "eleven million, three hundred seven thousand, two hundred eleven".