11956000943 has 2 divisors, whose sum is σ = 11956000944. Its totient is φ = 11956000942.

The previous prime is 11956000891. The next prime is 11956001003. The reversal of 11956000943 is 34900065911.

It is a weak prime.

It is an emirp because it is prime and its reverse (34900065911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11956000943 - 2¹² = 11955996847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11956000897 and 11956000906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11956000843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5978000471 + 5978000472.

It is an arithmetic number, because the mean of its divisors is an integer number (5978000472).

Almost surely, 2^11956000943 is an apocalyptic number.

11956000943 is a deficient number, since it is larger than the sum of its proper divisors (1).

11956000943 is an equidigital number, since it uses as much as digits as its factorization.

11956000943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 11956000943 in words is "eleven billion, nine hundred fifty-six million, nine hundred forty-three", and thus it is an aban number.