1444367438011 has 4 divisors (see below), whose sum is σ = 1444370142712. Its totient is φ = 1444364733312.

The previous prime is 1444367438009. The next prime is 1444367438029. The reversal of 1444367438011 is 1108347634441.

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 1444367438011 - 2¹ = 1444367438009 is a prime.

It is a super-2 number, since 2×1444367438011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444367438911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253926 + ... + 1718491.

It is an arithmetic number, because the mean of its divisors is an integer number (361092535678).

Almost surely, 2^{1444367438011} is an apocalyptic number.

1444367438011 is a deficient number, since it is larger than the sum of its proper divisors (2704701).

1444367438011 is an equidigital number, since it uses as much as digits as its factorization.

1444367438011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704700.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 1444367438011 in words is "one trillion, four hundred forty-four billion, three hundred sixty-seven million, four hundred thirty-eight thousand, eleven".