12411425549 has 2 divisors, whose sum is σ = 12411425550. Its totient is φ = 12411425548.

The previous prime is 12411425527. The next prime is 12411425561. The reversal of 12411425549 is 94552411421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11445148324 + 966277225 = 106982^2 + 31085^2 .

It is a cyclic number.

It is not a de Polignac number, because 12411425549 - 2⁸ = 12411425293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12411425599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6205712774 + 6205712775.

It is an arithmetic number, because the mean of its divisors is an integer number (6205712775).

Almost surely, 2^12411425549 is an apocalyptic number.

It is an amenable number.

12411425549 is a deficient number, since it is larger than the sum of its proper divisors (1).

12411425549 is an equidigital number, since it uses as much as digits as its factorization.

12411425549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 38.

The spelling of 12411425549 in words is "twelve billion, four hundred eleven million, four hundred twenty-five thousand, five hundred forty-nine".