11213112344 has 64 divisors (see below), whose sum is σ = 24239476800. Its totient is φ = 4763533824.

The previous prime is 11213112343. The next prime is 11213112359. The reversal of 11213112344 is 44321131211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213112343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3230642 + ... + 3234110.

It is an arithmetic number, because the mean of its divisors is an integer number (378741825).

Almost surely, 2^11213112344 is an apocalyptic number.

11213112344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11213112344 is an abundant number, since it is smaller than the sum of its proper divisors (13026364456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11213112344 is a wasteful number, since it uses less digits than its factorization.

11213112344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972 (or 3968 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 11213112344 its reverse (44321131211), we get a palindrome (55534243555).

The spelling of 11213112344 in words is "eleven billion, two hundred thirteen million, one hundred twelve thousand, three hundred forty-four".