11313222144 has 80 divisors (see below), whose sum is σ = 34444753728. Its totient is φ = 3232346112.

The previous prime is 11313222143. The next prime is 11313222149. The reversal of 11313222144 is 44122231311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11313222143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515347 + ... + 536850.

Almost surely, 2^11313222144 is an apocalyptic number.

11313222144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11313222144 is an abundant number, since it is smaller than the sum of its proper divisors (23131531584).

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

11313222144 is an equidigital number, since it uses as much as digits as its factorization.

11313222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052225 (or 1052209 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 11313222144 its reverse (44122231311), we get a palindrome (55435453455).

The spelling of 11313222144 in words is "eleven billion, three hundred thirteen million, two hundred twenty-two thousand, one hundred forty-four".