11286642808 has 64 divisors (see below), whose sum is σ = 25527744000. Its totient is φ = 4570100352.

The previous prime is 11286642799. The next prime is 11286642821. The reversal of 11286642808 is 80824668211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382653 + ... + 411091.

It is an arithmetic number, because the mean of its divisors is an integer number (398871000).

Almost surely, 2^11286642808 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 11286642808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12763872000).

11286642808 is an abundant number, since it is smaller than the sum of its proper divisors (14241101192).

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

11286642808 is a wasteful number, since it uses less digits than its factorization.

11286642808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28844 (or 28840 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 11286642808 in words is "eleven billion, two hundred eighty-six million, six hundred forty-two thousand, eight hundred eight".