11665022776255 has 16 divisors (see below), whose sum is σ = 14236641424800. Its totient is φ = 9172972368000.

The previous prime is 11665022776219. The next prime is 11665022776259. The reversal of 11665022776255 is 55267722056611.

It is not a de Polignac number, because 11665022776255 - 2¹⁵ = 11665022743487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11665022776196 and 11665022776205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11665022776259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215001 + ... + 4980589.

It is an arithmetic number, because the mean of its divisors is an integer number (889790089050).

Almost surely, 2^{11665022776255} is an apocalyptic number.

11665022776255 is a deficient number, since it is larger than the sum of its proper divisors (2571618648545).

11665022776255 is a wasteful number, since it uses less digits than its factorization.

11665022776255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776154.

The product of its (nonzero) digits is 10584000, while the sum is 55.

The spelling of 11665022776255 in words is "eleven trillion, six hundred sixty-five billion, twenty-two million, seven hundred seventy-six thousand, two hundred fifty-five".