10111011055665 has 24 divisors (see below), whose sum is σ = 17517775371840. Its totient is φ = 4977728518464.

The previous prime is 10111011055637. The next prime is 10111011055669. The reversal of 10111011055665 is 56655011011101.

It is not a de Polignac number, because 10111011055665 - 2⁵ = 10111011055633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10111011055669) 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 23 ways as a sum of consecutive naturals, for example, 1994279725 + ... + 1994284794.

It is an arithmetic number, because the mean of its divisors is an integer number (729907307160).

Almost surely, 2^{10111011055665} is an apocalyptic number.

10111011055665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10111011055665 is a deficient number, since it is larger than the sum of its proper divisors (7406764316175).

10111011055665 is a wasteful number, since it uses less digits than its factorization.

10111011055665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988564553 (or 3988564540 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 33.

Adding to 10111011055665 its reverse (56655011011101), we get a palindrome (66766022066766).

The spelling of 10111011055665 in words is "ten trillion, one hundred eleven billion, eleven million, fifty-five thousand, six hundred sixty-five".