12555905576 has 32 divisors (see below), whose sum is σ = 23611357440. Its totient is φ = 6259575168.

The previous prime is 12555905573. The next prime is 12555905591. The reversal of 12555905576 is 67550955521.

12555905576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12555905573) by changing a digit.

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, 5857961 + ... + 5860103.

It is an arithmetic number, because the mean of its divisors is an integer number (737854920).

Almost surely, 2^12555905576 is an apocalyptic number.

It is an amenable number.

12555905576 is a deficient number, since it is larger than the sum of its proper divisors (11055451864).

12555905576 is a wasteful number, since it uses less digits than its factorization.

12555905576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953 (or 3949 counting only the distinct ones).

The product of its (nonzero) digits is 2362500, while the sum is 50.

The spelling of 12555905576 in words is "twelve billion, five hundred fifty-five million, nine hundred five thousand, five hundred seventy-six".