12525252525253 has 16 divisors (see below), whose sum is σ = 14284748879856. Its totient is φ = 10879716510720.

The previous prime is 12525252525217. The next prime is 12525252525257. The reversal of 12525252525253 is 35252525252521.

It can be written as a sum of positive squares in 8 ways, for example, as 474585965604 + 12050666559649 = 688902^2 + 3471407^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12525252525253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525252525257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3844126 + ... + 6310927.

It is an arithmetic number, because the mean of its divisors is an integer number (892796804991).

Almost surely, 2^{12525252525253} is an apocalyptic number.

12525252525253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12525252525253 is a deficient number, since it is larger than the sum of its proper divisors (1759496354603).

12525252525253 is a wasteful number, since it uses less digits than its factorization.

12525252525253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10160664.

The product of its digits is 3000000, while the sum is 46.

Adding to 12525252525253 its reverse (35252525252521), we get a palindrome (47777777777774).

It can be divided in two parts, 125252 and 52525253, that multiplied together give a palindrome (6578892988756).

The spelling of 12525252525253 in words is "twelve trillion, five hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred fifty-three".