1100666105056 has 48 divisors (see below), whose sum is σ = 2502029700576. Its totient is φ = 466851004416.

The previous prime is 1100666105047. The next prime is 1100666105069. The reversal of 1100666105056 is 6505016660011.

It is a super-2 number, since 2×1100666105056² (a number of 25 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 7 ways as a sum of consecutive naturals, for example, 25306561 + ... + 25350016.

It is an arithmetic number, because the mean of its divisors is an integer number (52125618762).

Almost surely, 2^{1100666105056} is an apocalyptic number.

1100666105056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1100666105056 is an abundant number, since it is smaller than the sum of its proper divisors (1401363595520).

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

1100666105056 is an equidigital number, since it uses as much as digits as its factorization.

1100666105056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50656691 (or 50656683 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 1100666105056 in words is "one trillion, one hundred billion, six hundred sixty-six million, one hundred five thousand, fifty-six".