11663205304206 has 32 divisors (see below), whose sum is σ = 23723991400320. Its totient is φ = 3821483957984.

The previous prime is 11663205304087. The next prime is 11663205304237. The reversal of 11663205304206 is 60240350236611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2264641 + ... + 5334323.

It is an arithmetic number, because the mean of its divisors is an integer number (741374731260).

Almost surely, 2^{11663205304206} is an apocalyptic number.

11663205304206 is an abundant number, since it is smaller than the sum of its proper divisors (12060786096114).

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

11663205304206 is a wasteful number, since it uses less digits than its factorization.

11663205304206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080480.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 11663205304206 in words is "eleven trillion, six hundred sixty-three billion, two hundred five million, three hundred four thousand, two hundred six".