11911343 has 2 divisors, whose sum is σ = 11911344. Its totient is φ = 11911342.

The previous prime is 11911321. The next prime is 11911349. The reversal of 11911343 is 34311911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11911343 - 2²⁰ = 10862767 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 (11911349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5955671 + 5955672.

It is an arithmetic number, because the mean of its divisors is an integer number (5955672).

Almost surely, 2^11911343 is an apocalyptic number.

11911343 is a deficient number, since it is larger than the sum of its proper divisors (1).

11911343 is an equidigital number, since it uses as much as digits as its factorization.

11911343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 23.

The square root of 11911343 is about 3451.2813562502. The cubic root of 11911343 is about 228.3776379950.

The spelling of 11911343 in words is "eleven million, nine hundred eleven thousand, three hundred forty-three".