11609550183841 has 3 divisors (see below), whose sum is σ = 11609553591121. Its totient is φ = 11609546776562.

The previous prime is 11609550183811. The next prime is 11609550183851. The reversal of 11609550183841 is 14838105590611.

The square root of 11609550183841 is 3407279.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 11609550183841 - 2¹⁹ = 11609549659553 is a prime.

It is a super-2 number, since 2×11609550183841² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11609550183811) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 1703640 + ... + 5110918.

Almost surely, 2^{11609550183841} is an apocalyptic number.

11609550183841 is the 3407279-th square number.

11609550183841 is the 1703640-th centered octagonal number.

It is an amenable number.

11609550183841 is a deficient number, since it is larger than the sum of its proper divisors (3407280).

11609550183841 is an frugal number, since it uses more digits than its factorization.

11609550183841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814558 (or 3407279 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 52.

The spelling of 11609550183841 in words is "eleven trillion, six hundred nine billion, five hundred fifty million, one hundred eighty-three thousand, eight hundred forty-one".