11112342144 has 64 divisors (see below), whose sum is σ = 29550216000. Its totient is φ = 3699965952.

The previous prime is 11112342113. The next prime is 11112342169. The reversal of 11112342144 is 44124321111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-4 number, since 4×11112342144⁴ (a number of 41 digits) contains 4444 as substring.

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 an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 337152 + ... + 368640.

It is an arithmetic number, because the mean of its divisors is an integer number (461722125).

Almost surely, 2^11112342144 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 11112342144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14775108000).

11112342144 is an abundant number, since it is smaller than the sum of its proper divisors (18437873856).

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

11112342144 is an equidigital number, since it uses as much as digits as its factorization.

11112342144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32425 (or 32413 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

Adding to 11112342144 its reverse (44124321111), we get a palindrome (55236663255).

The spelling of 11112342144 in words is "eleven billion, one hundred twelve million, three hundred forty-two thousand, one hundred forty-four".