12113435560 has 32 divisors (see below), whose sum is σ = 28689717600. Its totient is φ = 4590354240.

The previous prime is 12113435557. The next prime is 12113435569. The reversal of 12113435560 is 6553431121.

It is not an unprimeable number, because it can be changed into a prime (12113435569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7968606 + ... + 7970125.

It is an arithmetic number, because the mean of its divisors is an integer number (896553675).

Almost surely, 2^12113435560 is an apocalyptic number.

12113435560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113435560 is an abundant number, since it is smaller than the sum of its proper divisors (16576282040).

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

12113435560 is a wasteful number, since it uses less digits than its factorization.

12113435560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15938761 (or 15938757 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 12113435560 its reverse (6553431121), we get a palindrome (18666866681).

The spelling of 12113435560 in words is "twelve billion, one hundred thirteen million, four hundred thirty-five thousand, five hundred sixty".