11355666806 has 48 divisors (see below), whose sum is σ = 19777791600. Its totient is φ = 4872732480.

The previous prime is 11355666779. The next prime is 11355666809. The reversal of 11355666806 is 60866655311.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11355666809) 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 23 ways as a sum of consecutive naturals, for example, 1343000 + ... + 1351428.

It is an arithmetic number, because the mean of its divisors is an integer number (412037325).

Almost surely, 2^11355666806 is an apocalyptic number.

11355666806 is a deficient number, since it is larger than the sum of its proper divisors (8422124794).

11355666806 is a wasteful number, since it uses less digits than its factorization.

11355666806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8765 (or 8754 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 11355666806 in words is "eleven billion, three hundred fifty-five million, six hundred sixty-six thousand, eight hundred six".