144311332011 has 64 divisors (see below), whose sum is σ = 254090649600. Its totient is φ = 70533480960.

The previous prime is 144311331973. The next prime is 144311332051. The reversal of 144311332011 is 110233113441.

It is a happy number.

It is not a de Polignac number, because 144311332011 - 2¹⁸ = 144311069867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144311332051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20020170 + ... + 20027376.

It is an arithmetic number, because the mean of its divisors is an integer number (3970166400).

Almost surely, 2^144311332011 is an apocalyptic number.

144311332011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144311332011 is a deficient number, since it is larger than the sum of its proper divisors (109779317589).

144311332011 is a wasteful number, since it uses less digits than its factorization.

144311332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12344.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 144311332011 its reverse (110233113441), we get a palindrome (254544445452).

The spelling of 144311332011 in words is "one hundred forty-four billion, three hundred eleven million, three hundred thirty-two thousand, eleven".