11020146665 has 16 divisors (see below), whose sum is σ = 14778239616. Its totient is φ = 7819171200.

The previous prime is 11020146593. The next prime is 11020146679. The reversal of 11020146665 is 56664102011.

11020146665 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 11020146665 - 2¹² = 11020142569 is a prime.

It is a super-2 number, since 2×11020146665² (a number of 21 digits) contains 22 as substring.

It is a Duffinian 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, 2441237 + ... + 2445746.

It is an arithmetic number, because the mean of its divisors is an integer number (923639976).

Almost surely, 2^11020146665 is an apocalyptic number.

It is an amenable number.

11020146665 is a deficient number, since it is larger than the sum of its proper divisors (3758092951).

11020146665 is a wasteful number, since it uses less digits than its factorization.

11020146665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887040.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 11020146665 its reverse (56664102011), we get a palindrome (67684248676).

The spelling of 11020146665 in words is "eleven billion, twenty million, one hundred forty-six thousand, six hundred sixty-five".