12534097856 has 28 divisors (see below), whose sum is σ = 28425544368. Its totient is φ = 5371756032.

The previous prime is 12534097789. The next prime is 12534097903. The reversal of 12534097856 is 65879043521.

It is a happy number.

12534097856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

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 3 ways as a sum of consecutive naturals, for example, 13988501 + ... + 13989396.

It is a 1-persistent number, because it is pandigital, but 2⋅12534097856 = 25068195712 is not.

Almost surely, 2^12534097856 is an apocalyptic number.

12534097856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12534097856 is an abundant number, since it is smaller than the sum of its proper divisors (15891446512).

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

12534097856 is an equidigital number, since it uses as much as digits as its factorization.

12534097856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27977916 (or 27977906 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 12534097856 in words is "twelve billion, five hundred thirty-four million, ninety-seven thousand, eight hundred fifty-six".