11000166565 has 16 divisors (see below), whose sum is σ = 14024819520. Its totient is φ = 8259045120.

The previous prime is 11000166521. The next prime is 11000166629. The reversal of 11000166565 is 56566100011.

11000166565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11000166565 - 2¹⁷ = 11000035493 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 530916 + ... + 551245.

It is an arithmetic number, because the mean of its divisors is an integer number (876551220).

Almost surely, 2^11000166565 is an apocalyptic number.

It is an amenable number.

11000166565 is a deficient number, since it is larger than the sum of its proper divisors (3024652955).

11000166565 is a wasteful number, since it uses less digits than its factorization.

11000166565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082292.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 11000166565 its reverse (56566100011), we get a palindrome (67566266576).

The spelling of 11000166565 in words is "eleven billion, one hundred sixty-six thousand, five hundred sixty-five".