12555575626 has 16 divisors (see below), whose sum is σ = 20552654880. Its totient is φ = 5705088880.

The previous prime is 12555575579. The next prime is 12555575647. The reversal of 12555575626 is 62657555521.

It is a self number, because there is not a number n which added to its sum of digits gives 12555575626.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34096 + ... + 162091.

It is an arithmetic number, because the mean of its divisors is an integer number (1284540930).

Almost surely, 2^12555575626 is an apocalyptic number.

12555575626 is a deficient number, since it is larger than the sum of its proper divisors (7997079254).

12555575626 is a wasteful number, since it uses less digits than its factorization.

12555575626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199109.

The product of its digits is 3150000, while the sum is 49.

The spelling of 12555575626 in words is "twelve billion, five hundred fifty-five million, five hundred seventy-five thousand, six hundred twenty-six".