11215271 has 2 divisors, whose sum is σ = 11215272. Its totient is φ = 11215270.

The previous prime is 11215247. The next prime is 11215279. The reversal of 11215271 is 17251211.

It is a happy number.

11215271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11215271 - 2⁶ = 11215207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11215279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607635 + 5607636.

It is an arithmetic number, because the mean of its divisors is an integer number (5607636).

Almost surely, 2^11215271 is an apocalyptic number.

11215271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11215271 is an equidigital number, since it uses as much as digits as its factorization.

11215271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 140, while the sum is 20.

The square root of 11215271 is about 3348.9208709672. The cubic root of 11215271 is about 223.8394297280.

Adding to 11215271 its reverse (17251211), we get a palindrome (28466482).

The spelling of 11215271 in words is "eleven million, two hundred fifteen thousand, two hundred seventy-one".