11100105005550 has 96 divisors (see below), whose sum is σ = 30032084966400. Its totient is φ = 2690822054400.

The previous prime is 11100105005417. The next prime is 11100105005567. The reversal of 11100105005550 is 5550050100111.

11100105005550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11100105005550² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11100105005550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43430934 + ... + 43685766.

It is an arithmetic number, because the mean of its divisors is an integer number (312834218400).

Almost surely, 2^{11100105005550} is an apocalyptic number.

11100105005550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11100105005550 is an abundant number, since it is smaller than the sum of its proper divisors (18931979960850).

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

11100105005550 is a wasteful number, since it uses less digits than its factorization.

11100105005550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281258 (or 281253 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 24.

Adding to 11100105005550 its reverse (5550050100111), we get a palindrome (16650155105661).

The spelling of 11100105005550 in words is "eleven trillion, one hundred billion, one hundred five million, five thousand, five hundred fifty".