11242140224 has 56 divisors (see below), whose sum is σ = 25544849088. Its totient is φ = 4808747520.

The previous prime is 11242140223. The next prime is 11242140277. The reversal of 11242140224 is 42204124211.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 11242140224.

It is not an unprimeable number, because it can be changed into a prime (11242140223) 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, 210314 + ... + 258294.

Almost surely, 2^11242140224 is an apocalyptic number.

11242140224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11242140224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12772424544).

11242140224 is an abundant number, since it is smaller than the sum of its proper divisors (14302708864).

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

11242140224 is an equidigital number, since it uses as much as digits as its factorization.

11242140224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48523 (or 48513 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 11242140224 its reverse (42204124211), we get a palindrome (53446264435).

The spelling of 11242140224 in words is "eleven billion, two hundred forty-two million, one hundred forty thousand, two hundred twenty-four".