12544055044521 has 96 divisors (see below), whose sum is σ = 22762113798144. Its totient is φ = 5979109910400.

The previous prime is 12544055044511. The next prime is 12544055044531.

12544055044521 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (12544055044511) and next prime (12544055044531).

It is not a de Polignac number, because 12544055044521 - 2⁷ = 12544055044393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12544055044511) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4379556 + ... + 6653466.

It is an arithmetic number, because the mean of its divisors is an integer number (237105352064).

Almost surely, 2^{12544055044521} is an apocalyptic number.

12544055044521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12544055044521 is a deficient number, since it is larger than the sum of its proper divisors (10218058753623).

12544055044521 is a wasteful number, since it uses less digits than its factorization.

12544055044521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274123 (or 2274112 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 42.

It can be divided in two parts, 1254405 and 5044521, that added together give a palindrome (6298926).

The spelling of 12544055044521 in words is "twelve trillion, five hundred forty-four billion, fifty-five million, forty-four thousand, five hundred twenty-one".