11321151271 has 2 divisors, whose sum is σ = 11321151272. Its totient is φ = 11321151270.

The previous prime is 11321151263. The next prime is 11321151293. The reversal of 11321151271 is 17215112311.

It is a happy number.

11321151271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (17215112311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11321151271 - 2³ = 11321151263 is a prime.

It is a super-2 number, since 2×11321151271² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321151571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660575635 + 5660575636.

It is an arithmetic number, because the mean of its divisors is an integer number (5660575636).

Almost surely, 2^11321151271 is an apocalyptic number.

11321151271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321151271 is an equidigital number, since it uses as much as digits as its factorization.

11321151271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 25.

Adding to 11321151271 its reverse (17215112311), we get a palindrome (28536263582).

The spelling of 11321151271 in words is "eleven billion, three hundred twenty-one million, one hundred fifty-one thousand, two hundred seventy-one".