12560613536 has 48 divisors (see below), whose sum is σ = 26032394304. Its totient is φ = 5954049024.

The previous prime is 12560613529. The next prime is 12560613547. The reversal of 12560613536 is 63531606521.

It is a self number, because there is not a number n which added to its sum of digits gives 12560613536.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7655 + ... + 158681.

It is an arithmetic number, because the mean of its divisors is an integer number (542341548).

Almost surely, 2^12560613536 is an apocalyptic number.

12560613536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12560613536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13016197152).

12560613536 is an abundant number, since it is smaller than the sum of its proper divisors (13471780768).

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

12560613536 is a wasteful number, since it uses less digits than its factorization.

12560613536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151173 (or 151165 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 12560613536 in words is "twelve billion, five hundred sixty million, six hundred thirteen thousand, five hundred thirty-six".