11349566167609 has 4 divisors (see below), whose sum is σ = 11656311199204. Its totient is φ = 11042821136016.

The previous prime is 11349566167561. The next prime is 11349566167651. The reversal of 11349566167609 is 90676166594311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4363440543225 + 6986125624384 = 2088885^2 + 2643128^2 .

It is a cyclic number.

It is not a de Polignac number, because 11349566167609 - 2¹⁹ = 11349565643321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11349560167609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153372515742 + ... + 153372515815.

It is an arithmetic number, because the mean of its divisors is an integer number (2914077799801).

Almost surely, 2^{11349566167609} is an apocalyptic number.

It is an amenable number.

11349566167609 is a deficient number, since it is larger than the sum of its proper divisors (306745031595).

11349566167609 is an equidigital number, since it uses as much as digits as its factorization.

11349566167609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306745031594.

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 11349566167609 in words is "eleven trillion, three hundred forty-nine billion, five hundred sixty-six million, one hundred sixty-seven thousand, six hundred nine".