440121002165011 has 2 divisors, whose sum is σ = 440121002165012. Its totient is φ = 440121002165010.

The previous prime is 440121002164999. The next prime is 440121002165051. The reversal of 440121002165011 is 110561200121044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440121002165011 - 2²⁵ = 440120968610579 is a prime.

It is not a weakly prime, because it can be changed into another prime (440121002165051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220060501082505 + 220060501082506.

It is an arithmetic number, because the mean of its divisors is an integer number (220060501082506).

Almost surely, 2^{440121002165011} is an apocalyptic number.

440121002165011 is a deficient number, since it is larger than the sum of its proper divisors (1).

440121002165011 is an equidigital number, since it uses as much as digits as its factorization.

440121002165011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 440121002165011 its reverse (110561200121044), we get a palindrome (550682202286055).

The spelling of 440121002165011 in words is "four hundred forty trillion, one hundred twenty-one billion, two million, one hundred sixty-five thousand, eleven".