14401125021 has 4 divisors (see below), whose sum is σ = 19201500032. Its totient is φ = 9600750012.

The previous prime is 14401125001. The next prime is 14401125077. The reversal of 14401125021 is 12052110441.

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 not a de Polignac number, because 14401125021 - 2⁷ = 14401124893 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 (14401125001) 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, 2400187501 + ... + 2400187506.

It is an arithmetic number, because the mean of its divisors is an integer number (4800375008).

Almost surely, 2^14401125021 is an apocalyptic number.

It is an amenable number.

14401125021 is a deficient number, since it is larger than the sum of its proper divisors (4800375011).

14401125021 is an equidigital number, since it uses as much as digits as its factorization.

14401125021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800375010.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 14401125021 its reverse (12052110441), we get a palindrome (26453235462).

The spelling of 14401125021 in words is "fourteen billion, four hundred one million, one hundred twenty-five thousand, twenty-one".