1444780105071 has 32 divisors (see below), whose sum is σ = 2004562157568. Its totient is φ = 924604312320.

The previous prime is 1444780105031. The next prime is 1444780105073. The reversal of 1444780105071 is 1705010874441.

It is not a de Polignac number, because 1444780105071 - 2²¹ = 1444778007919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444780105073) 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 in 31 ways as a sum of consecutive naturals, for example, 16864581 + ... + 16950033.

It is an arithmetic number, because the mean of its divisors is an integer number (62642567424).

Almost surely, 2^{1444780105071} is an apocalyptic number.

1444780105071 is a deficient number, since it is larger than the sum of its proper divisors (559782052497).

1444780105071 is a wasteful number, since it uses less digits than its factorization.

1444780105071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86951.

The product of its (nonzero) digits is 125440, while the sum is 42.

The spelling of 1444780105071 in words is "one trillion, four hundred forty-four billion, seven hundred eighty million, one hundred five thousand, seventy-one".