11385328566 has 8 divisors (see below), whose sum is σ = 22770657144. Its totient is φ = 3795109520.

The previous prime is 11385328547. The next prime is 11385328567. The reversal of 11385328566 is 66582358311.

It is a sphenic number, since it is the product of 3 distinct primes.

11385328566 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11385328567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948777375 + ... + 948777386.

It is an arithmetic number, because the mean of its divisors is an integer number (2846332143).

Almost surely, 2^11385328566 is an apocalyptic number.

11385328566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11385328566 is a wasteful number, since it uses less digits than its factorization.

11385328566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897554766.

The product of its digits is 1036800, while the sum is 48.

The spelling of 11385328566 in words is "eleven billion, three hundred eighty-five million, three hundred twenty-eight thousand, five hundred sixty-six".