12525708909 has 16 divisors (see below), whose sum is σ = 19410301440. Its totient is φ = 7036232880.

The previous prime is 12525708907. The next prime is 12525708917. The reversal of 12525708909 is 90980752521.

It is not a de Polignac number, because 12525708909 - 2¹ = 12525708907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525708907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5053527 + ... + 5056004.

It is an arithmetic number, because the mean of its divisors is an integer number (1213143840).

Almost surely, 2^12525708909 is an apocalyptic number.

It is an amenable number.

12525708909 is a deficient number, since it is larger than the sum of its proper divisors (6884592531).

12525708909 is a wasteful number, since it uses less digits than its factorization.

12525708909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10109600.

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 12525708909 in words is "twelve billion, five hundred twenty-five million, seven hundred eight thousand, nine hundred nine".