12525767417491 has 2 divisors, whose sum is σ = 12525767417492. Its totient is φ = 12525767417490.

The previous prime is 12525767417459. The next prime is 12525767417503. The reversal of 12525767417491 is 19471476752521.

It is a strong prime.

It is an emirp because it is prime and its reverse (19471476752521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12525767417491 - 2⁵ = 12525767417459 is a prime.

It is not a weakly prime, because it can be changed into another prime (12525767417791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262883708745 + 6262883708746.

It is an arithmetic number, because the mean of its divisors is an integer number (6262883708746).

Almost surely, 2^{12525767417491} is an apocalyptic number.

12525767417491 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525767417491 is an equidigital number, since it uses as much as digits as its factorization.

12525767417491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29635200, while the sum is 61.

The spelling of 12525767417491 in words is "twelve trillion, five hundred twenty-five billion, seven hundred sixty-seven million, four hundred seventeen thousand, four hundred ninety-one".