11111646011 has 2 divisors, whose sum is σ = 11111646012. Its totient is φ = 11111646010.

The previous prime is 11111645981. The next prime is 11111646023. The reversal of 11111646011 is 11064611111.

11111646011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (11064611111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11111646011 - 2¹⁸ = 11111383867 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111646031) 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, 5555823005 + 5555823006.

It is an arithmetic number, because the mean of its divisors is an integer number (5555823006).

Almost surely, 2^11111646011 is an apocalyptic number.

11111646011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111646011 is an equidigital number, since it uses as much as digits as its factorization.

11111646011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 11111646011 in words is "eleven billion, one hundred eleven million, six hundred forty-six thousand, eleven".