11201438568 has 64 divisors (see below), whose sum is σ = 28937848320. Its totient is φ = 3609504000.

The previous prime is 11201438561. The next prime is 11201438597. The reversal of 11201438568 is 86583410211.

It is not an unprimeable number, because it can be changed into a prime (11201438561) 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, 734218 + ... + 749318.

It is an arithmetic number, because the mean of its divisors is an integer number (452153880).

Almost surely, 2^11201438568 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 11201438568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14468924160).

11201438568 is an abundant number, since it is smaller than the sum of its proper divisors (17736409752).

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

11201438568 is a wasteful number, since it uses less digits than its factorization.

11201438568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16138 (or 16134 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

Adding to 11201438568 its reverse (86583410211), we get a palindrome (97784848779).

The spelling of 11201438568 in words is "eleven billion, two hundred one million, four hundred thirty-eight thousand, five hundred sixty-eight".