11530394066 has 8 divisors (see below), whose sum is σ = 17296871664. Its totient is φ = 5764770180.

The previous prime is 11530394047. The next prime is 11530394077. The reversal of 11530394066 is 66049303511.

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

It is an unprimeable number.

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, 178520 + ... + 234371.

It is an arithmetic number, because the mean of its divisors is an integer number (2162108958).

Almost surely, 2^11530394066 is an apocalyptic number.

11530394066 is a deficient number, since it is larger than the sum of its proper divisors (5766477598).

11530394066 is a wasteful number, since it uses less digits than its factorization.

11530394066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426856.

The product of its (nonzero) digits is 58320, while the sum is 38.

Adding to 11530394066 its reverse (66049303511), we get a palindrome (77579697577).

The spelling of 11530394066 in words is "eleven billion, five hundred thirty million, three hundred ninety-four thousand, sixty-six".