11321646644033 has 4 divisors (see below), whose sum is σ = 12350887248048. Its totient is φ = 10292406040020.

The previous prime is 11321646644017. The next prime is 11321646644047. The reversal of 11321646644033 is 33044664612311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11321646644033 - 2⁴ = 11321646644017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321646644083) 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, 514620301991 + ... + 514620302012.

It is an arithmetic number, because the mean of its divisors is an integer number (3087721812012).

Almost surely, 2^{11321646644033} is an apocalyptic number.

It is an amenable number.

11321646644033 is a deficient number, since it is larger than the sum of its proper divisors (1029240604015).

11321646644033 is a wasteful number, since it uses less digits than its factorization.

11321646644033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029240604014.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 11321646644033 in words is "eleven trillion, three hundred twenty-one billion, six hundred forty-six million, six hundred forty-four thousand, thirty-three".