11451211 has 2 divisors, whose sum is σ = 11451212. Its totient is φ = 11451210.

The previous prime is 11451199. The next prime is 11451227. The reversal of 11451211 is 11215411.

It is an a-pointer prime, because the next prime (11451227) can be obtained adding 11451211 to its sum of digits (16).

It is a weak prime.

It is an emirp because it is prime and its reverse (11215411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11451211 is a prime.

It is a super-2 number, since 2×11451211² = 262260466733042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11451311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725605 + 5725606.

It is an arithmetic number, because the mean of its divisors is an integer number (5725606).

Almost surely, 2^11451211 is an apocalyptic number.

11451211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11451211 is an equidigital number, since it uses as much as digits as its factorization.

11451211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40, while the sum is 16.

The square root of 11451211 is about 3383.9638000428. The cubic root of 11451211 is about 225.3982149703.

Adding to 11451211 its reverse (11215411), we get a palindrome (22666622).

The spelling of 11451211 in words is "eleven million, four hundred fifty-one thousand, two hundred eleven".