14221134135015 has 16 divisors (see below), whose sum is σ = 22770459721728. Its totient is φ = 7579056503456.

The previous prime is 14221134135007. The next prime is 14221134135029. The reversal of 14221134135015 is 51053143112241.

It is a cyclic number.

It is not a de Polignac number, because 14221134135015 - 2³ = 14221134135007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346751847 + ... + 346792856.

It is an arithmetic number, because the mean of its divisors is an integer number (1423153732608).

Almost surely, 2^{14221134135015} is an apocalyptic number.

14221134135015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14221134135015 is a deficient number, since it is larger than the sum of its proper divisors (8549325586713).

14221134135015 is a wasteful number, since it uses less digits than its factorization.

14221134135015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693546078.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 14221134135015 its reverse (51053143112241), we get a palindrome (65274277247256).

The spelling of 14221134135015 in words is "fourteen trillion, two hundred twenty-one billion, one hundred thirty-four million, one hundred thirty-five thousand, fifteen".