12555605576 has 16 divisors (see below), whose sum is σ = 23544119040. Its totient is φ = 6277173840.

The previous prime is 12555605551. The next prime is 12555605591. The reversal of 12555605576 is 67550655521.

It is a self number, because there is not a number n which added to its sum of digits gives 12555605576.

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, 12425 + ... + 158951.

It is an arithmetic number, because the mean of its divisors is an integer number (1471507440).

Almost surely, 2^12555605576 is an apocalyptic number.

It is an amenable number.

12555605576 is a deficient number, since it is larger than the sum of its proper divisors (10988513464).

12555605576 is a wasteful number, since it uses less digits than its factorization.

12555605576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157244 (or 157240 counting only the distinct ones).

The product of its (nonzero) digits is 1575000, while the sum is 47.

The spelling of 12555605576 in words is "twelve billion, five hundred fifty-five million, six hundred five thousand, five hundred seventy-six".