12565371011 has 8 divisors (see below), whose sum is σ = 12593620800. Its totient is φ = 12537154240.

The previous prime is 12565370999. The next prime is 12565371031. The reversal of 12565371011 is 11017356521.

12565371011 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 a de Polignac number, because none of the positive numbers 2^k-12565371011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12565371031) 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, 851030 + ... + 865668.

It is an arithmetic number, because the mean of its divisors is an integer number (1574202600).

Almost surely, 2^12565371011 is an apocalyptic number.

12565371011 is a deficient number, since it is larger than the sum of its proper divisors (28249789).

12565371011 is a wasteful number, since it uses less digits than its factorization.

12565371011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16509.

The product of its (nonzero) digits is 6300, while the sum is 32.

The spelling of 12565371011 in words is "twelve billion, five hundred sixty-five million, three hundred seventy-one thousand, eleven".