14401111 has 2 divisors, whose sum is σ = 14401112. Its totient is φ = 14401110.

The previous prime is 14401109. The next prime is 14401171. The reversal of 14401111 is 11110441.

It is a weak prime.

It is an emirp because it is prime and its reverse (11110441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14401111 - 2¹ = 14401109 is a prime.

Together with 14401109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 14401091 and 14401100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14401171) 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, 7200555 + 7200556.

It is an arithmetic number, because the mean of its divisors is an integer number (7200556).

Almost surely, 2^14401111 is an apocalyptic number.

14401111 is a deficient number, since it is larger than the sum of its proper divisors (1).

14401111 is an equidigital number, since it uses as much as digits as its factorization.

14401111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 14401111 is about 3794.8795764820. The cubic root of 14401111 is about 243.2943364458.

Adding to 14401111 its reverse (11110441), we get a palindrome (25511552).

The spelling of 14401111 in words is "fourteen million, four hundred one thousand, one hundred eleven".