12825551797 has 2 divisors, whose sum is σ = 12825551798. Its totient is φ = 12825551796.

The previous prime is 12825551759. The next prime is 12825551831. The reversal of 12825551797 is 79715552821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9596357521 + 3229194276 = 97961^2 + 56826^2 .

It is an emirp because it is prime and its reverse (79715552821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12825551797 - 2¹⁵ = 12825519029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12825551597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6412775898 + 6412775899.

It is an arithmetic number, because the mean of its divisors is an integer number (6412775899).

Almost surely, 2^12825551797 is an apocalyptic number.

It is an amenable number.

12825551797 is a deficient number, since it is larger than the sum of its proper divisors (1).

12825551797 is an equidigital number, since it uses as much as digits as its factorization.

12825551797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764000, while the sum is 52.

The spelling of 12825551797 in words is "twelve billion, eight hundred twenty-five million, five hundred fifty-one thousand, seven hundred ninety-seven".