11110505050550 has 24 divisors (see below), whose sum is σ = 20665814840400. Its totient is φ = 4444142784480.

The previous prime is 11110505050549. The next prime is 11110505050571. The reversal of 11110505050550 is 5505050501111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2409071 + ... + 5293829.

It is an arithmetic number, because the mean of its divisors is an integer number (861075618350).

Almost surely, 2^{11110505050550} is an apocalyptic number.

11110505050550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11110505050550 is a deficient number, since it is larger than the sum of its proper divisors (9555309789850).

11110505050550 is a wasteful number, since it uses less digits than its factorization.

11110505050550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961800 (or 2961795 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 29.

Adding to 11110505050550 its reverse (5505050501111), we get a palindrome (16615555551661).

The spelling of 11110505050550 in words is "eleven trillion, one hundred ten billion, five hundred five million, fifty thousand, five hundred fifty".