13445344111 has 2 divisors, whose sum is σ = 13445344112. Its totient is φ = 13445344110.

The previous prime is 13445344069. The next prime is 13445344147. The reversal of 13445344111 is 11144354431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13445344111 - 2¹¹ = 13445342063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13445344411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722672055 + 6722672056.

It is an arithmetic number, because the mean of its divisors is an integer number (6722672056).

Almost surely, 2^13445344111 is an apocalyptic number.

13445344111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13445344111 is an equidigital number, since it uses as much as digits as its factorization.

13445344111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

Adding to 13445344111 its reverse (11144354431), we get a palindrome (24589698542).

The spelling of 13445344111 in words is "thirteen billion, four hundred forty-five million, three hundred forty-four thousand, one hundred eleven".