11642769608 has 12 divisors (see below), whose sum is σ = 21830765265. Its totient is φ = 5821232208.

The previous prime is 11642769601. The next prime is 11642769637. The reversal of 11642769608 is 80696724611.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

11642769608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9188756164 + 2454013444 = 95858^2 + 49538^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=76298.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11642769601) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 286118 + ... + 324266.

Almost surely, 2^11642769608 is an apocalyptic number.

It is an amenable number.

11642769608 is a deficient number, since it is larger than the sum of its proper divisors (10187995657).

11642769608 is an frugal number, since it uses more digits than its factorization.

11642769608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76304 (or 38151 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

Multiplying 11642769608 by its sum of digits (50), we get a square (582138480400 = 762980²).

It can be divided in two parts, 1164 and 2769608, that added together give a palindrome (2770772).

The spelling of 11642769608 in words is "eleven billion, six hundred forty-two million, seven hundred sixty-nine thousand, six hundred eight".