1444402022011 has 4 divisors (see below), whose sum is σ = 1555509869872. Its totient is φ = 1333294174152.

The previous prime is 1444402022009. The next prime is 1444402022047. The reversal of 1444402022011 is 1102202044441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1444402022011 - 2¹ = 1444402022009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444402022081) 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 3 ways as a sum of consecutive naturals, for example, 55553923911 + ... + 55553923936.

It is an arithmetic number, because the mean of its divisors is an integer number (388877467468).

Almost surely, 2^{1444402022011} is an apocalyptic number.

1444402022011 is a deficient number, since it is larger than the sum of its proper divisors (111107847861).

1444402022011 is a wasteful number, since it uses less digits than its factorization.

1444402022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111107847860.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 1444402022011 its reverse (1102202044441), we get a palindrome (2546604066452).

The spelling of 1444402022011 in words is "one trillion, four hundred forty-four billion, four hundred two million, twenty-two thousand, eleven".