11268607688 has 36 divisors (see below), whose sum is σ = 22886868465. Its totient is φ = 5199094368.

The previous prime is 11268607639. The next prime is 11268607699. The reversal of 11268607688 is 88670686211.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 9634992964 + 1633614724 = 98158^2 + 40418^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=75062.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3901781 + ... + 3904667.

Almost surely, 2^11268607688 is an apocalyptic number.

It is an amenable number.

11268607688 is an abundant number, since it is smaller than the sum of its proper divisors (11618260777).

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

11268607688 is an frugal number, since it uses more digits than its factorization.

11268607688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806 (or 2902 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 11268607688 in words is "eleven billion, two hundred sixty-eight million, six hundred seven thousand, six hundred eighty-eight".