12565406560541 has 8 divisors (see below), whose sum is σ = 12642588298560. Its totient is φ = 12488225961312.

The previous prime is 12565406560537. The next prime is 12565406560547. The reversal of 12565406560541 is 14506560456521.

12565406560541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12565406560541 - 2² = 12565406560537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12565406560541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12565406560547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36016145 + ... + 36363353.

It is an arithmetic number, because the mean of its divisors is an integer number (1580323537320).

Almost surely, 2^{12565406560541} is an apocalyptic number.

It is an amenable number.

12565406560541 is a deficient number, since it is larger than the sum of its proper divisors (77181738019).

12565406560541 is a wasteful number, since it uses less digits than its factorization.

12565406560541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569395.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 12565406560541 in words is "twelve trillion, five hundred sixty-five billion, four hundred six million, five hundred sixty thousand, five hundred forty-one".