11311300806 has 48 divisors (see below), whose sum is σ = 24607005696. Its totient is φ = 3464723808.

The previous prime is 11311300789. The next prime is 11311300807. The reversal of 11311300806 is 60800311311.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311300807) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 201111 + ... + 251133.

It is an arithmetic number, because the mean of its divisors is an integer number (512645952).

Almost surely, 2^11311300806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11311300806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12303502848).

11311300806 is an abundant number, since it is smaller than the sum of its proper divisors (13295704890).

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

11311300806 is a wasteful number, since it uses less digits than its factorization.

11311300806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50277 (or 50264 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 11311300806 in words is "eleven billion, three hundred eleven million, three hundred thousand, eight hundred six".