11102001660550 has 24 divisors (see below), whose sum is σ = 20679957007416. Its totient is φ = 4434298746240.

The previous prime is 11102001660539. The next prime is 11102001660551. The reversal of 11102001660550 is 5506610020111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102001660551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162513459 + ... + 162581758.

It is an arithmetic number, because the mean of its divisors is an integer number (861664875309).

Almost surely, 2^{11102001660550} is an apocalyptic number.

11102001660550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11102001660550 is a deficient number, since it is larger than the sum of its proper divisors (9577955346866).

11102001660550 is a wasteful number, since it uses less digits than its factorization.

11102001660550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325095912 (or 325095907 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 11102001660550 its reverse (5506610020111), we get a palindrome (16608611680661).

The spelling of 11102001660550 in words is "eleven trillion, one hundred two billion, one million, six hundred sixty thousand, five hundred fifty".