12569426085 has 32 divisors (see below), whose sum is σ = 21300596352. Its totient is φ = 6307430400.

The previous prime is 12569426081. The next prime is 12569426113. The reversal of 12569426085 is 58062496521.

12569426085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12569426085 - 2² = 12569426081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12569426081) 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 31 ways as a sum of consecutive naturals, for example, 1219122 + ... + 1229388.

It is an arithmetic number, because the mean of its divisors is an integer number (665643636).

Almost surely, 2^12569426085 is an apocalyptic number.

12569426085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12569426085 is a deficient number, since it is larger than the sum of its proper divisors (8731170267).

12569426085 is a wasteful number, since it uses less digits than its factorization.

12569426085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15093.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 12569426085 in words is "twelve billion, five hundred sixty-nine million, four hundred twenty-six thousand, eighty-five".