12525517183349 has 2 divisors, whose sum is σ = 12525517183350. Its totient is φ = 12525517183348.

The previous prime is 12525517183343. The next prime is 12525517183351. The reversal of 12525517183349 is 94338171552521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11182456384324 + 1343060799025 = 3344018^2 + 1158905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12525517183349 is a prime.

Together with 12525517183351, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12525517183294 and 12525517183303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12525517183343) 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 as a sum of consecutive naturals, namely, 6262758591674 + 6262758591675.

It is an arithmetic number, because the mean of its divisors is an integer number (6262758591675).

Almost surely, 2^{12525517183349} is an apocalyptic number.

It is an amenable number.

12525517183349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525517183349 is an equidigital number, since it uses as much as digits as its factorization.

12525517183349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072000, while the sum is 56.

The spelling of 12525517183349 in words is "twelve trillion, five hundred twenty-five billion, five hundred seventeen million, one hundred eighty-three thousand, three hundred forty-nine".