11112344312 has 8 divisors (see below), whose sum is σ = 20835645600. Its totient is φ = 5556172152.

The previous prime is 11112344303. The next prime is 11112344339. The reversal of 11112344312 is 21344321111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11112344312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694521512 + ... + 694521527.

It is an arithmetic number, because the mean of its divisors is an integer number (2604455700).

Almost surely, 2^11112344312 is an apocalyptic number.

It is an amenable number.

11112344312 is a deficient number, since it is larger than the sum of its proper divisors (9723301288).

11112344312 is a wasteful number, since it uses less digits than its factorization.

11112344312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389043045 (or 1389043041 counting only the distinct ones).

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

Adding to 11112344312 its reverse (21344321111), we get a palindrome (32456665423).

The spelling of 11112344312 in words is "eleven billion, one hundred twelve million, three hundred forty-four thousand, three hundred twelve".