111344214511 has 2 divisors, whose sum is σ = 111344214512. Its totient is φ = 111344214510.

The previous prime is 111344214467. The next prime is 111344214557. The reversal of 111344214511 is 115412443111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111344214511 - 2¹⁵ = 111344181743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111344214511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111344214581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55672107255 + 55672107256.

It is an arithmetic number, because the mean of its divisors is an integer number (55672107256).

Almost surely, 2^111344214511 is an apocalyptic number.

111344214511 is a deficient number, since it is larger than the sum of its proper divisors (1).

111344214511 is an equidigital number, since it uses as much as digits as its factorization.

111344214511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 28.

Adding to 111344214511 its reverse (115412443111), we get a palindrome (226756657622).

The spelling of 111344214511 in words is "one hundred eleven billion, three hundred forty-four million, two hundred fourteen thousand, five hundred eleven".