12505451632241 has 2 divisors, whose sum is σ = 12505451632242. Its totient is φ = 12505451632240.

The previous prime is 12505451632159. The next prime is 12505451632279. The reversal of 12505451632241 is 14223615450521.

It is a happy number.

12505451632241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6999178195216 + 5506273437025 = 2645596^2 + 2346545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12505451632241 is a prime.

It is a super-2 number, since 2×12505451632241² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12505451632741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6252725816120 + 6252725816121.

It is an arithmetic number, because the mean of its divisors is an integer number (6252725816121).

Almost surely, 2^{12505451632241} is an apocalyptic number.

It is an amenable number.

12505451632241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12505451632241 is an equidigital number, since it uses as much as digits as its factorization.

12505451632241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 12505451632241 in words is "twelve trillion, five hundred five billion, four hundred fifty-one million, six hundred thirty-two thousand, two hundred forty-one".