11550201441566 has 16 divisors (see below), whose sum is σ = 17342839659600. Its totient is φ = 5769257410560.

The previous prime is 11550201441557. The next prime is 11550201441577. The reversal of 11550201441566 is 66514410205511.

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 7 ways as a sum of consecutive naturals, for example, 8564510 + ... + 9820958.

It is an arithmetic number, because the mean of its divisors is an integer number (1083927478725).

Almost surely, 2^{11550201441566} is an apocalyptic number.

11550201441566 is a deficient number, since it is larger than the sum of its proper divisors (5792638218034).

11550201441566 is a wasteful number, since it uses less digits than its factorization.

11550201441566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261099.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 11550201441566 in words is "eleven trillion, five hundred fifty billion, two hundred one million, four hundred forty-one thousand, five hundred sixty-six".