12568109547 has 16 divisors (see below), whose sum is σ = 19266089472. Its totient is φ = 7138770240.

The previous prime is 12568109501. The next prime is 12568109573. The reversal of 12568109547 is 74590186521.

It is a happy number.

It is not a de Polignac number, because 12568109547 - 2⁷ = 12568109419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12568109496 and 12568109505.

It is not an unprimeable number, because it can be changed into a prime (12568109597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1788354 + ... + 1795367.

It is an arithmetic number, because the mean of its divisors is an integer number (1204130592).

Almost surely, 2^12568109547 is an apocalyptic number.

12568109547 is a deficient number, since it is larger than the sum of its proper divisors (6697979925).

12568109547 is a wasteful number, since it uses less digits than its factorization.

12568109547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583898.

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 12568109547 in words is "twelve billion, five hundred sixty-eight million, one hundred nine thousand, five hundred forty-seven".