4444021311011 has 4 divisors (see below), whose sum is σ = 4472327179392. Its totient is φ = 4415715442632.

The previous prime is 4444021310977. The next prime is 4444021311073. The reversal of 4444021311011 is 1101131204444.

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 4444021311011 - 2²⁶ = 4443954202147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444021311091) 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, 14152933955 + ... + 14152934268.

It is an arithmetic number, because the mean of its divisors is an integer number (1118081794848).

Almost surely, 2^{4444021311011} is an apocalyptic number.

4444021311011 is a deficient number, since it is larger than the sum of its proper divisors (28305868381).

4444021311011 is a wasteful number, since it uses less digits than its factorization.

4444021311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28305868380.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 4444021311011 its reverse (1101131204444), we get a palindrome (5545152515455).

The spelling of 4444021311011 in words is "four trillion, four hundred forty-four billion, twenty-one million, three hundred eleven thousand, eleven".