12525161239 has 2 divisors, whose sum is σ = 12525161240. Its totient is φ = 12525161238.

The previous prime is 12525161141. The next prime is 12525161249. The reversal of 12525161239 is 93216152521.

It is a strong prime.

It is an emirp because it is prime and its reverse (93216152521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12525161239 - 2²¹ = 12523064087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12525161198 and 12525161207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12525161249) 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, 6262580619 + 6262580620.

It is an arithmetic number, because the mean of its divisors is an integer number (6262580620).

Almost surely, 2^12525161239 is an apocalyptic number.

12525161239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525161239 is an equidigital number, since it uses as much as digits as its factorization.

12525161239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 37.

The spelling of 12525161239 in words is "twelve billion, five hundred twenty-five million, one hundred sixty-one thousand, two hundred thirty-nine".