11000550000 has 480 divisors, whose sum is σ = 39754955520. Its totient is φ = 2598400000.

The previous prime is 11000549999. The next prime is 11000550007. The reversal of 11000550000 is 5500011.

11000550000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000550007) 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 95 ways as a sum of consecutive naturals, for example, 97349944 + ... + 97350056.

It is an arithmetic number, because the mean of its divisors is an integer number (82822824).

Almost surely, 2^11000550000 is an apocalyptic number.

11000550000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11000550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19877477760).

11000550000 is an abundant number, since it is smaller than the sum of its proper divisors (28754405520).

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

11000550000 is a wasteful number, since it uses less digits than its factorization.

11000550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 12.

It can be divided in two parts, 1 and 1000550000, that added together give a palindrome (1000550001).

The spelling of 11000550000 in words is "eleven billion, five hundred fifty thousand".