11916271 has 2 divisors, whose sum is σ = 11916272. Its totient is φ = 11916270.

The previous prime is 11916259. The next prime is 11916313. The reversal of 11916271 is 17261911.

It is a weak prime.

It is an emirp because it is prime and its reverse (17261911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11916271 - 2²³ = 3527663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11916241) 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, 5958135 + 5958136.

It is an arithmetic number, because the mean of its divisors is an integer number (5958136).

Almost surely, 2^11916271 is an apocalyptic number.

11916271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11916271 is an equidigital number, since it uses as much as digits as its factorization.

11916271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 28.

The square root of 11916271 is about 3451.9952201589. The cubic root of 11916271 is about 228.4091287017.

The spelling of 11916271 in words is "eleven million, nine hundred sixteen thousand, two hundred seventy-one".