14111113504421 has 4 divisors (see below), whose sum is σ = 14113584375744. Its totient is φ = 14108642633100.

The previous prime is 14111113504409. The next prime is 14111113504463. The reversal of 14111113504421 is 12440531111141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14111113504421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14111113504321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235427095 + ... + 1235438516.

It is an arithmetic number, because the mean of its divisors is an integer number (3528396093936).

Almost surely, 2^{14111113504421} is an apocalyptic number.

It is an amenable number.

14111113504421 is a deficient number, since it is larger than the sum of its proper divisors (2470871323).

14111113504421 is an equidigital number, since it uses as much as digits as its factorization.

14111113504421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470871322.

The product of its (nonzero) digits is 1920, while the sum is 29.

Adding to 14111113504421 its reverse (12440531111141), we get a palindrome (26551644615562).

The spelling of 14111113504421 in words is "fourteen trillion, one hundred eleven billion, one hundred thirteen million, five hundred four thousand, four hundred twenty-one".