11447216111 has 2 divisors, whose sum is σ = 11447216112. Its totient is φ = 11447216110.

The previous prime is 11447216093. The next prime is 11447216119. The reversal of 11447216111 is 11161274411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11447216111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11447216119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5723608055 + 5723608056.

It is an arithmetic number, because the mean of its divisors is an integer number (5723608056).

Almost surely, 2^11447216111 is an apocalyptic number.

11447216111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11447216111 is an equidigital number, since it uses as much as digits as its factorization.

11447216111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 29.

The spelling of 11447216111 in words is "eleven billion, four hundred forty-seven million, two hundred sixteen thousand, one hundred eleven".