12544411442471 has 2 divisors, whose sum is σ = 12544411442472. Its totient is φ = 12544411442470.

The previous prime is 12544411442449. The next prime is 12544411442489. The reversal of 12544411442471 is 17424411444521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12544411442471 is a prime.

It is a super-3 number, since 3×12544411442471³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12544411442411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6272205721235 + 6272205721236.

It is an arithmetic number, because the mean of its divisors is an integer number (6272205721236).

Almost surely, 2^{12544411442471} is an apocalyptic number.

12544411442471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12544411442471 is an equidigital number, since it uses as much as digits as its factorization.

12544411442471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 573440, while the sum is 44.

Adding to 12544411442471 its reverse (17424411444521), we get a palindrome (29968822886992).

The spelling of 12544411442471 in words is "twelve trillion, five hundred forty-four billion, four hundred eleven million, four hundred forty-two thousand, four hundred seventy-one".