11568588648 has 64 divisors (see below), whose sum is σ = 29596320000. Its totient is φ = 3766547712.

The previous prime is 11568588643. The next prime is 11568588749. The reversal of 11568588648 is 84688586511.

It is a junction number, because it is equal to n+sod(n) for n = 11568588591 and 11568588600.

It is not an unprimeable number, because it can be changed into a prime (11568588643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564078 + ... + 584226.

It is an arithmetic number, because the mean of its divisors is an integer number (462442500).

Almost surely, 2^11568588648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11568588648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14798160000).

11568588648 is an abundant number, since it is smaller than the sum of its proper divisors (18027731352).

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

11568588648 is a wasteful number, since it uses less digits than its factorization.

11568588648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20714 (or 20710 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 60.

The spelling of 11568588648 in words is "eleven billion, five hundred sixty-eight million, five hundred eighty-eight thousand, six hundred forty-eight".