14123153111111 has 4 divisors (see below), whose sum is σ = 15407076121224. Its totient is φ = 12839230101000.

The previous prime is 14123153111077. The next prime is 14123153111129. The reversal of 14123153111111 is 11111135132141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14123153111111 - 2¹⁸ = 14123152848967 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 (14123153111311) 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, 641961505040 + ... + 641961505061.

It is an arithmetic number, because the mean of its divisors is an integer number (3851769030306).

Almost surely, 2^{14123153111111} is an apocalyptic number.

14123153111111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14123153111111 is a deficient number, since it is larger than the sum of its proper divisors (1283923010113).

14123153111111 is a wasteful number, since it uses less digits than its factorization.

14123153111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283923010112.

The product of its digits is 360, while the sum is 26.

Adding to 14123153111111 its reverse (11111135132141), we get a palindrome (25234288243252).

The spelling of 14123153111111 in words is "fourteen trillion, one hundred twenty-three billion, one hundred fifty-three million, one hundred eleven thousand, one hundred eleven".