11211011843 has 2 divisors, whose sum is σ = 11211011844. Its totient is φ = 11211011842.

The previous prime is 11211011839. The next prime is 11211011869. The reversal of 11211011843 is 34811011211.

11211011843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11211011843 - 2² = 11211011839 is a prime.

It is not a weakly prime, because it can be changed into another prime (11211011813) 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, 5605505921 + 5605505922.

It is an arithmetic number, because the mean of its divisors is an integer number (5605505922).

Almost surely, 2^11211011843 is an apocalyptic number.

11211011843 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211011843 is an equidigital number, since it uses as much as digits as its factorization.

11211011843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 23.

The spelling of 11211011843 in words is "eleven billion, two hundred eleven million, eleven thousand, eight hundred forty-three".