11130545688 has 32 divisors (see below), whose sum is σ = 28351393200. Its totient is φ = 3640178048.

The previous prime is 11130545681. The next prime is 11130545729. The reversal of 11130545688 is 88654503111.

11130545688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130545681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4373943 + ... + 4376486.

Almost surely, 2^11130545688 is an apocalyptic number.

It is an amenable number.

11130545688 is an abundant number, since it is smaller than the sum of its proper divisors (17220847512).

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

11130545688 is a wasteful number, since it uses less digits than its factorization.

11130545688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750491 (or 8750487 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 11130545688 in words is "eleven billion, one hundred thirty million, five hundred forty-five thousand, six hundred eighty-eight".