14000420124521 has 4 divisors (see below), whose sum is σ = 14101142571600. Its totient is φ = 13899697677444.

The previous prime is 14000420124503. The next prime is 14000420124533. The reversal of 14000420124521 is 12542102400041.

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 not a de Polignac number, because 14000420124521 - 2¹⁰ = 14000420123497 is a prime.

It is a super-2 number, since 2×14000420124521² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14000420126521) 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, 50361223331 + ... + 50361223608.

It is an arithmetic number, because the mean of its divisors is an integer number (3525285642900).

Almost surely, 2^{14000420124521} is an apocalyptic number.

It is an amenable number.

14000420124521 is a deficient number, since it is larger than the sum of its proper divisors (100722447079).

14000420124521 is a wasteful number, since it uses less digits than its factorization.

14000420124521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100722447078.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 14000420124521 its reverse (12542102400041), we get a palindrome (26542522524562).

The spelling of 14000420124521 in words is "fourteen trillion, four hundred twenty million, one hundred twenty-four thousand, five hundred twenty-one".