12551441424 has 20 divisors (see below), whose sum is σ = 32424557136. Its totient is φ = 4183813792.

The previous prime is 12551441387. The next prime is 12551441473. The reversal of 12551441424 is 42414415521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130744134 + ... + 130744229.

Almost surely, 2^12551441424 is an apocalyptic number.

It is an amenable number.

12551441424 is an abundant number, since it is smaller than the sum of its proper divisors (19873115712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12551441424 is a wasteful number, since it uses less digits than its factorization.

12551441424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261488374 (or 261488368 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

Adding to 12551441424 its reverse (42414415521), we get a palindrome (54965856945).

The spelling of 12551441424 in words is "twelve billion, five hundred fifty-one million, four hundred forty-one thousand, four hundred twenty-four".