12315425560 has 64 divisors (see below), whose sum is σ = 28259772480. Its totient is φ = 4828561920.

The previous prime is 12315425537. The next prime is 12315425581. The reversal of 12315425560 is 6552451321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2908645 + ... + 2912875.

It is an arithmetic number, because the mean of its divisors is an integer number (441558945).

Almost surely, 2^12315425560 is an apocalyptic number.

12315425560 is a gapful number since it is divisible by the number (10) 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 12315425560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14129886240).

12315425560 is an abundant number, since it is smaller than the sum of its proper divisors (15944346920).

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

12315425560 is a wasteful number, since it uses less digits than its factorization.

12315425560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 12315425560 its reverse (6552451321), we get a palindrome (18867876881).

The spelling of 12315425560 in words is "twelve billion, three hundred fifteen million, four hundred twenty-five thousand, five hundred sixty".