1439041178991 has 16 divisors (see below), whose sum is σ = 2066485550976. Its totient is φ = 885490940256.

The previous prime is 1439041178987. The next prime is 1439041179053. The reversal of 1439041178991 is 1998711409341.

It is not a de Polignac number, because 1439041178991 - 2² = 1439041178987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1439041178891) 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 15 ways as a sum of consecutive naturals, for example, 1035945 + ... + 1987778.

It is an arithmetic number, because the mean of its divisors is an integer number (129155346936).

Almost surely, 2^{1439041178991} is an apocalyptic number.

1439041178991 is a deficient number, since it is larger than the sum of its proper divisors (627444371985).

1439041178991 is a wasteful number, since it uses less digits than its factorization.

1439041178991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035942.

The product of its (nonzero) digits is 1959552, while the sum is 57.

The spelling of 1439041178991 in words is "one trillion, four hundred thirty-nine billion, forty-one million, one hundred seventy-eight thousand, nine hundred ninety-one".