11440775864 has 64 divisors (see below), whose sum is σ = 24687936000. Its totient is φ = 4868899200.

The previous prime is 11440775849. The next prime is 11440775869. The reversal of 11440775864 is 46857704411.

11440775864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440775869) 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 15 ways as a sum of consecutive naturals, for example, 10485959 + ... + 10487049.

It is an arithmetic number, because the mean of its divisors is an integer number (385749000).

Almost surely, 2^11440775864 is an apocalyptic number.

11440775864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11440775864 is an abundant number, since it is smaller than the sum of its proper divisors (13247160136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11440775864 is a wasteful number, since it uses less digits than its factorization.

11440775864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244 (or 2240 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 11440775864 in words is "eleven billion, four hundred forty million, seven hundred seventy-five thousand, eight hundred sixty-four".