11000209271 has 2 divisors, whose sum is σ = 11000209272. Its totient is φ = 11000209270.

The previous prime is 11000209247. The next prime is 11000209331. The reversal of 11000209271 is 17290200011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000209271 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000206271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500104635 + 5500104636.

It is an arithmetic number, because the mean of its divisors is an integer number (5500104636).

Almost surely, 2^11000209271 is an apocalyptic number.

11000209271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000209271 is an equidigital number, since it uses as much as digits as its factorization.

11000209271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 11000209271 its reverse (17290200011), we get a palindrome (28290409282).

The spelling of 11000209271 in words is "eleven billion, two hundred nine thousand, two hundred seventy-one".