10889568642 has 32 divisors (see below), whose sum is σ = 22427900352. Its totient is φ = 3522256704.

The previous prime is 10889568631. The next prime is 10889568647. The reversal of 10889568642 is 24686598801.

It is a happy number.

10889568642 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10889568647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17053 + ... + 148559.

It is an arithmetic number, because the mean of its divisors is an integer number (700871886).

Almost surely, 2^10889568642 is an apocalyptic number.

10889568642 is an abundant number, since it is smaller than the sum of its proper divisors (11538331710).

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

10889568642 is a wasteful number, since it uses less digits than its factorization.

10889568642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131922.

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 10889568642 in words is "ten billion, eight hundred eighty-nine million, five hundred sixty-eight thousand, six hundred forty-two".