11005060105550 has 24 divisors (see below), whose sum is σ = 23393613482256. Its totient is φ = 3773163464640.

The previous prime is 11005060105541. The next prime is 11005060105601. The reversal of 11005060105550 is 5550106050011.

It is a happy number.

It is a super-2 number, since 2×11005060105550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 15721514087 + ... + 15721514786.

It is an arithmetic number, because the mean of its divisors is an integer number (974733895094).

Almost surely, 2^{11005060105550} is an apocalyptic number.

11005060105550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11005060105550 is an abundant number, since it is smaller than the sum of its proper divisors (12388553376706).

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

11005060105550 is a wasteful number, since it uses less digits than its factorization.

11005060105550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31443028892 (or 31443028887 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 11005060105550 its reverse (5550106050011), we get a palindrome (16555166155561).

The spelling of 11005060105550 in words is "eleven trillion, five billion, sixty million, one hundred five thousand, five hundred fifty".