11144320442 has 8 divisors (see below), whose sum is σ = 16720837536. Its totient is φ = 5570707932.

The previous prime is 11144320427. The next prime is 11144320459. The reversal of 11144320442 is 24402344111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11144320442² (a number of 21 digits) contains 22 as substring.

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, 716528 + ... + 731915.

It is an arithmetic number, because the mean of its divisors is an integer number (2090104692).

Almost surely, 2^11144320442 is an apocalyptic number.

11144320442 is a deficient number, since it is larger than the sum of its proper divisors (5576517094).

11144320442 is a wasteful number, since it uses less digits than its factorization.

11144320442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452292.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 11144320442 its reverse (24402344111), we get a palindrome (35546664553).

The spelling of 11144320442 in words is "eleven billion, one hundred forty-four million, three hundred twenty thousand, four hundred forty-two".