12525105277 has 2 divisors, whose sum is σ = 12525105278. Its totient is φ = 12525105276.

The previous prime is 12525105253. The next prime is 12525105319. The reversal of 12525105277 is 77250152521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7621464601 + 4903640676 = 87301^2 + 70026^2 .

It is a cyclic number.

It is not a de Polignac number, because 12525105277 - 2¹¹ = 12525103229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12525105217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262552638 + 6262552639.

It is an arithmetic number, because the mean of its divisors is an integer number (6262552639).

Almost surely, 2^12525105277 is an apocalyptic number.

It is an amenable number.

12525105277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525105277 is an equidigital number, since it uses as much as digits as its factorization.

12525105277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49000, while the sum is 37.

Adding to 12525105277 its reverse (77250152521), we get a palindrome (89775257798).

The spelling of 12525105277 in words is "twelve billion, five hundred twenty-five million, one hundred five thousand, two hundred seventy-seven".