1144120440011 has 8 divisors (see below), whose sum is σ = 1205455729920. Its totient is φ = 1083751060392.

The previous prime is 1144120439981. The next prime is 1144120440017. The reversal of 1144120440011 is 1100440214411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144120440011 - 2¹⁰ = 1144120438987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144120440017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241475141 + ... + 241479878.

It is an arithmetic number, because the mean of its divisors is an integer number (150681966240).

Almost surely, 2^{1144120440011} is an apocalyptic number.

1144120440011 is a deficient number, since it is larger than the sum of its proper divisors (61335289909).

1144120440011 is a wasteful number, since it uses less digits than its factorization.

1144120440011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482955145.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 1144120440011 its reverse (1100440214411), we get a palindrome (2244560654422).

The spelling of 1144120440011 in words is "one trillion, one hundred forty-four billion, one hundred twenty million, four hundred forty thousand, eleven".