14135121525 has 24 divisors (see below), whose sum is σ = 26708649664. Its totient is φ = 6461769600.

The previous prime is 14135121509. The next prime is 14135121541. The reversal of 14135121525 is 52512153141.

14135121525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14135121509) and next prime (14135121541).

It is not a de Polignac number, because 14135121525 - 2⁴ = 14135121509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14135121492 and 14135121501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13461496 + ... + 13462545.

Almost surely, 2^14135121525 is an apocalyptic number.

14135121525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14135121525 is a deficient number, since it is larger than the sum of its proper divisors (12573528139).

14135121525 is a wasteful number, since it uses less digits than its factorization.

14135121525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26924061 (or 26924056 counting only the distinct ones).

The product of its digits is 6000, while the sum is 30.

Adding to 14135121525 its reverse (52512153141), we get a palindrome (66647274666).

The spelling of 14135121525 in words is "fourteen billion, one hundred thirty-five million, one hundred twenty-one thousand, five hundred twenty-five".