11550943 has 2 divisors, whose sum is σ = 11550944. Its totient is φ = 11550942.

The previous prime is 11550937. The next prime is 11550949. The reversal of 11550943 is 34905511.

It is a balanced prime because it is at equal distance from previous prime (11550937) and next prime (11550949).

It is an emirp because it is prime and its reverse (34905511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11550943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11550949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775471 + 5775472.

It is an arithmetic number, because the mean of its divisors is an integer number (5775472).

Almost surely, 2^11550943 is an apocalyptic number.

11550943 is a deficient number, since it is larger than the sum of its proper divisors (1).

11550943 is an equidigital number, since it uses as much as digits as its factorization.

11550943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 11550943 is about 3398.6678272523. The cubic root of 11550943 is about 226.0506778043.

The spelling of 11550943 in words is "eleven million, five hundred fifty thousand, nine hundred forty-three".