1144322011 has 8 divisors (see below), whose sum is σ = 1327316480. Its totient is φ = 966207528.

The previous prime is 1144321999. The next prime is 1144322017. The reversal of 1144322011 is 1102234411.

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 1144322011 - 2⁷ = 1144321883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144322011.

It is not an unprimeable number, because it can be changed into a prime (1144322017) 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, 1219491 + ... + 1220428.

It is an arithmetic number, because the mean of its divisors is an integer number (165914560).

Almost surely, 2^1144322011 is an apocalyptic number.

1144322011 is a deficient number, since it is larger than the sum of its proper divisors (182994469).

1144322011 is an equidigital number, since it uses as much as digits as its factorization.

1144322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439993.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1144322011 is about 33827.8289430463. The cubic root of 1144322011 is about 1045.9624264612.

Adding to 1144322011 its reverse (1102234411), we get a palindrome (2246556422).

The spelling of 1144322011 in words is "one billion, one hundred forty-four million, three hundred twenty-two thousand, eleven".