11446563813 has 24 divisors (see below), whose sum is σ = 16663111200. Its totient is φ = 6980099616.

The previous prime is 11446563787. The next prime is 11446563829. The reversal of 11446563813 is 31836564411.

11446563813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11446563813 - 2¹² = 11446559717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11446563883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150823 + ... + 213636.

It is an arithmetic number, because the mean of its divisors is an integer number (694296300).

Almost surely, 2^11446563813 is an apocalyptic number.

It is an amenable number.

11446563813 is a deficient number, since it is larger than the sum of its proper divisors (5216547387).

11446563813 is a wasteful number, since it uses less digits than its factorization.

11446563813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364529 (or 364510 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The spelling of 11446563813 in words is "eleven billion, four hundred forty-six million, five hundred sixty-three thousand, eight hundred thirteen".