14213111345 has 4 divisors (see below), whose sum is σ = 17055733620. Its totient is φ = 11370489072.

The previous prime is 14213111299. The next prime is 14213111351. The reversal of 14213111345 is 54311131241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54311131241 = 29 ⋅1872797629.

It can be written as a sum of positive squares in 2 ways, for example, as 9174383089 + 5038728256 = 95783^2 + 70984^2 .

It is a cyclic number.

It is not a de Polignac number, because 14213111345 - 2²⁰ = 14212062769 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421311130 + ... + 1421311139.

It is an arithmetic number, because the mean of its divisors is an integer number (4263933405).

Almost surely, 2^14213111345 is an apocalyptic number.

It is an amenable number.

14213111345 is a deficient number, since it is larger than the sum of its proper divisors (2842622275).

14213111345 is an equidigital number, since it uses as much as digits as its factorization.

14213111345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842622274.

The product of its digits is 1440, while the sum is 26.

Adding to 14213111345 its reverse (54311131241), we get a palindrome (68524242586).

The spelling of 14213111345 in words is "fourteen billion, two hundred thirteen million, one hundred eleven thousand, three hundred forty-five".