12551087808 has 224 divisors, whose sum is σ = 42307865600. Its totient is φ = 3574222848.

The previous prime is 12551087789. The next prime is 12551087819. The reversal of 12551087808 is 80878015521.

12551087808 is a `hidden beast` number, since 12 + 551 + 0 + 8 + 7 + 80 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4074813 + ... + 4077891.

It is an arithmetic number, because the mean of its divisors is an integer number (188874400).

Almost surely, 2^12551087808 is an apocalyptic number.

12551087808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12551087808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21153932800).

12551087808 is an abundant number, since it is smaller than the sum of its proper divisors (29756777792).

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

12551087808 is a wasteful number, since it uses less digits than its factorization.

12551087808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444 (or 3428 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 45.

The spelling of 12551087808 in words is "twelve billion, five hundred fifty-one million, eighty-seven thousand, eight hundred eight".