11312344144 has 20 divisors (see below), whose sum is σ = 21946491540. Its totient is φ = 5648733440.

The previous prime is 11312344139. The next prime is 11312344151. The reversal of 11312344144 is 44144321311.

It can be written as a sum of positive squares in 2 ways, for example, as 4046486544 + 7265857600 = 63612^2 + 85240^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452359 + ... + 476710.

It is an arithmetic number, because the mean of its divisors is an integer number (1097324577).

Almost surely, 2^11312344144 is an apocalyptic number.

It is an amenable number.

11312344144 is a deficient number, since it is larger than the sum of its proper divisors (10634147396).

11312344144 is an equidigital number, since it uses as much as digits as its factorization.

11312344144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929838 (or 929832 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 11312344144 its reverse (44144321311), we get a palindrome (55456665455).

The spelling of 11312344144 in words is "eleven billion, three hundred twelve million, three hundred forty-four thousand, one hundred forty-four".