12544511225441 has 32 divisors (see below), whose sum is σ = 13701173713920. Its totient is φ = 11416340807424.

The previous prime is 12544511225401. The next prime is 12544511225579. The reversal of 12544511225441 is 14452211544521.

It is a cyclic number.

It is not a de Polignac number, because 12544511225441 - 2¹⁰ = 12544511224417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12544511225401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744782366 + ... + 744799208.

It is an arithmetic number, because the mean of its divisors is an integer number (428161678560).

Almost surely, 2^{12544511225441} is an apocalyptic number.

It is an amenable number.

12544511225441 is a deficient number, since it is larger than the sum of its proper divisors (1156662488479).

12544511225441 is a wasteful number, since it uses less digits than its factorization.

12544511225441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19545.

The product of its digits is 256000, while the sum is 41.

Adding to 12544511225441 its reverse (14452211544521), we get a palindrome (26996722769962).

The spelling of 12544511225441 in words is "twelve trillion, five hundred forty-four billion, five hundred eleven million, two hundred twenty-five thousand, four hundred forty-one".