11050221650 has 48 divisors (see below), whose sum is σ = 22145306568. Its totient is φ = 4078080000.

The previous prime is 11050221649. The next prime is 11050221661. The reversal of 11050221650 is 5612205011.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 31730689 + 11018490961 = 5633^2 + 104969^2 .

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2299250 + ... + 2304050.

Almost surely, 2^11050221650 is an apocalyptic number.

11050221650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11050221650 is an abundant number, since it is smaller than the sum of its proper divisors (11095084918).

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

11050221650 is a wasteful number, since it uses less digits than its factorization.

11050221650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367 (or 8362 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11050221650 its reverse (5612205011), we get a palindrome (16662426661).

The spelling of 11050221650 in words is "eleven billion, fifty million, two hundred twenty-one thousand, six hundred fifty".