12563053665606 has 24 divisors (see below), whose sum is σ = 27220018962240. Its totient is φ = 4187673885456.

The previous prime is 12563053665601. The next prime is 12563053665623. The reversal of 12563053665606 is 60656635036521.

12563053665606 is a `hidden beast` number, since 1 + 2 + 56 + 3 + 0 + 536 + 6 + 56 + 0 + 6 = 666.

12563053665606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12563053665601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9929451 + ... + 11122953.

It is an arithmetic number, because the mean of its divisors is an integer number (1134167456760).

Almost surely, 2^{12563053665606} is an apocalyptic number.

12563053665606 is an abundant number, since it is smaller than the sum of its proper divisors (14656965296634).

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

12563053665606 is a wasteful number, since it uses less digits than its factorization.

12563053665606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778300 (or 1778297 counting only the distinct ones).

The product of its (nonzero) digits is 17496000, while the sum is 54.

The spelling of 12563053665606 in words is "twelve trillion, five hundred sixty-three billion, fifty-three million, six hundred sixty-five thousand, six hundred six".