11291743 has 2 divisors, whose sum is σ = 11291744. Its totient is φ = 11291742.

The previous prime is 11291741. The next prime is 11291747. The reversal of 11291743 is 34719211.

It is a weak prime.

It is an emirp because it is prime and its reverse (34719211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11291743 - 2¹ = 11291741 is a prime.

Together with 11291741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11291741) 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, 5645871 + 5645872.

It is an arithmetic number, because the mean of its divisors is an integer number (5645872).

Almost surely, 2^11291743 is an apocalyptic number.

11291743 is a deficient number, since it is larger than the sum of its proper divisors (1).

11291743 is an equidigital number, since it uses as much as digits as its factorization.

11291743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 11291743 is about 3360.3188836776. The cubic root of 11291743 is about 224.3470319704.

The spelling of 11291743 in words is "eleven million, two hundred ninety-one thousand, seven hundred forty-three".