12565289004 has 24 divisors (see below), whose sum is σ = 29322164928. Its totient is φ = 4187978640.

The previous prime is 12565289003. The next prime is 12565289027. The reversal of 12565289004 is 40098256521.

12565289004 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 (12565289003) 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, 71259 + ... + 173805.

It is an arithmetic number, because the mean of its divisors is an integer number (1221756872).

Almost surely, 2^12565289004 is an apocalyptic number.

It is an amenable number.

12565289004 is an abundant number, since it is smaller than the sum of its proper divisors (16756875924).

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

12565289004 is a wasteful number, since it uses less digits than its factorization.

12565289004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112765 (or 112763 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 12565289004 in words is "twelve billion, five hundred sixty-five million, two hundred eighty-nine thousand, four".