12545532056 has 16 divisors (see below), whose sum is σ = 23966701200. Its totient is φ = 6154411744.

The previous prime is 12545532029. The next prime is 12545532127. The reversal of 12545532056 is 65023554521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14793836 + ... + 14794683.

It is an arithmetic number, because the mean of its divisors is an integer number (1497918825).

Almost surely, 2^12545532056 is an apocalyptic number.

It is an amenable number.

12545532056 is a deficient number, since it is larger than the sum of its proper divisors (11421169144).

12545532056 is a wasteful number, since it uses less digits than its factorization.

12545532056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29588578 (or 29588574 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 12545532056 in words is "twelve billion, five hundred forty-five million, five hundred thirty-two thousand, fifty-six".