12525053556 has 12 divisors (see below), whose sum is σ = 29225124992. Its totient is φ = 4175017848.

The previous prime is 12525053549. The next prime is 12525053591. The reversal of 12525053556 is 65535052521.

12525053556 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 (12).

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, 521877220 + ... + 521877243.

Almost surely, 2^12525053556 is an apocalyptic number.

It is an amenable number.

12525053556 is an abundant number, since it is smaller than the sum of its proper divisors (16700071436).

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

12525053556 is a wasteful number, since it uses less digits than its factorization.

12525053556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043754470 (or 1043754468 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 12525053556 in words is "twelve billion, five hundred twenty-five million, fifty-three thousand, five hundred fifty-six".