11213934813 has 16 divisors (see below), whose sum is σ = 16615325760. Its totient is φ = 7475016528.

The previous prime is 11213934811. The next prime is 11213934829. The reversal of 11213934813 is 31843931211.

11213934813 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 11213934813 - 2¹ = 11213934811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213934811) 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 15 ways as a sum of consecutive naturals, for example, 243031 + ... + 285467.

It is an arithmetic number, because the mean of its divisors is an integer number (1038457860).

Almost surely, 2^11213934813 is an apocalyptic number.

It is an amenable number.

11213934813 is a deficient number, since it is larger than the sum of its proper divisors (5401390947).

11213934813 is an equidigital number, since it uses as much as digits as its factorization.

11213934813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52233 (or 52227 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The spelling of 11213934813 in words is "eleven billion, two hundred thirteen million, nine hundred thirty-four thousand, eight hundred thirteen".