11312112344 has 48 divisors (see below), whose sum is σ = 22988540520. Its totient is φ = 5216140800.

The previous prime is 11312112337. The next prime is 11312112359. The reversal of 11312112344 is 44321121311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1750319 + ... + 1756769.

Almost surely, 2^11312112344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11312112344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11494270260).

11312112344 is an abundant number, since it is smaller than the sum of its proper divisors (11676428176).

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

11312112344 is a wasteful number, since it uses less digits than its factorization.

11312112344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780 (or 7763 counting only the distinct ones).

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

Adding to 11312112344 its reverse (44321121311), we get a palindrome (55633233655).

The spelling of 11312112344 in words is "eleven billion, three hundred twelve million, one hundred twelve thousand, three hundred forty-four".