12551333168 has 80 divisors (see below), whose sum is σ = 27508908960. Its totient is φ = 5495347200.

The previous prime is 12551333161. The next prime is 12551333209. The reversal of 12551333168 is 86133315521.

It is not an unprimeable number, because it can be changed into a prime (12551333161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2329838 + ... + 2335218.

It is an arithmetic number, because the mean of its divisors is an integer number (343861362).

Almost surely, 2^12551333168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12551333168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13754454480).

12551333168 is an abundant number, since it is smaller than the sum of its proper divisors (14957575792).

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

12551333168 is a wasteful number, since it uses less digits than its factorization.

12551333168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886 (or 5880 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

Adding to 12551333168 its reverse (86133315521), we get a palindrome (98684648689).

The spelling of 12551333168 in words is "twelve billion, five hundred fifty-one million, three hundred thirty-three thousand, one hundred sixty-eight".