14125413521 has 8 divisors (see below), whose sum is σ = 14861016744. Its totient is φ = 13408433280.

The previous prime is 14125413493. The next prime is 14125413529. The reversal of 14125413521 is 12531452141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4396353025 + 9729060496 = 66305^2 + 98636^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14125413521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14125413529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654190 + ... + 4657223.

It is an arithmetic number, because the mean of its divisors is an integer number (1857627093).

Almost surely, 2^14125413521 is an apocalyptic number.

It is an amenable number.

14125413521 is a deficient number, since it is larger than the sum of its proper divisors (735603223).

14125413521 is an equidigital number, since it uses as much as digits as its factorization.

14125413521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311491.

The product of its digits is 4800, while the sum is 29.

Adding to 14125413521 its reverse (12531452141), we get a palindrome (26656865662).

The spelling of 14125413521 in words is "fourteen billion, one hundred twenty-five million, four hundred thirteen thousand, five hundred twenty-one".