12775143556 has 24 divisors (see below), whose sum is σ = 25567416000. Its totient is φ = 5471391072.

The previous prime is 12775143541. The next prime is 12775143583. The reversal of 12775143556 is 65534157721.

12775143556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 110215 + ... + 194158.

It is an arithmetic number, because the mean of its divisors is an integer number (1065309000).

Almost surely, 2^12775143556 is an apocalyptic number.

It is an amenable number.

12775143556 is an abundant number, since it is smaller than the sum of its proper divisors (12792272444).

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

12775143556 is a wasteful number, since it uses less digits than its factorization.

12775143556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305883 (or 305881 counting only the distinct ones).

The product of its digits is 882000, while the sum is 46.

The spelling of 12775143556 in words is "twelve billion, seven hundred seventy-five million, one hundred forty-three thousand, five hundred fifty-six".