12551806296 has 384 divisors, whose sum is σ = 38603136000. Its totient is φ = 3668281344.

The previous prime is 12551806279. The next prime is 12551806301. The reversal of 12551806296 is 69260815521.

12551806296 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 18 + 0 + 629 + 6 = 666.

12551806296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 158883585 + ... + 158883663.

It is an arithmetic number, because the mean of its divisors is an integer number (100529000).

Almost surely, 2^12551806296 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 12551806296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19301568000).

12551806296 is an abundant number, since it is smaller than the sum of its proper divisors (26051329704).

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

12551806296 is a wasteful number, since it uses less digits than its factorization.

12551806296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 12551806296 in words is "twelve billion, five hundred fifty-one million, eight hundred six thousand, two hundred ninety-six".