4311111116111 has 2 divisors, whose sum is σ = 4311111116112. Its totient is φ = 4311111116110.

The previous prime is 4311111116099. The next prime is 4311111116183. The reversal of 4311111116111 is 1116111111134.

It is a m-pointer prime, because the next prime (4311111116183) can be obtained adding 4311111116111 to its product of digits (72).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4311111116111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4311111016111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2155555558055 + 2155555558056.

It is an arithmetic number, because the mean of its divisors is an integer number (2155555558056).

Almost surely, 2^{4311111116111} is an apocalyptic number.

4311111116111 is a deficient number, since it is larger than the sum of its proper divisors (1).

4311111116111 is an equidigital number, since it uses as much as digits as its factorization.

4311111116111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 23.

Adding to 4311111116111 its reverse (1116111111134), we get a palindrome (5427222227245).

The spelling of 4311111116111 in words is "four trillion, three hundred eleven billion, one hundred eleven million, one hundred sixteen thousand, one hundred eleven".