1044039561111 has 8 divisors (see below), whose sum is σ = 1546725275760. Its totient is φ = 696026374056.

The previous prime is 1044039561107. The next prime is 1044039561137. The reversal of 1044039561111 is 1111659304401.

It is a happy number.

1044039561111 is a `hidden beast` number, since 1 + 0 + 4 + 4 + 0 + 39 + 5 + 611 + 1 + 1 = 666.

It is not a de Polignac number, because 1044039561111 - 2² = 1044039561107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044039561011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19334065920 + ... + 19334065973.

It is an arithmetic number, because the mean of its divisors is an integer number (193340659470).

Almost surely, 2^{1044039561111} is an apocalyptic number.

1044039561111 is a deficient number, since it is larger than the sum of its proper divisors (502685714649).

1044039561111 is an equidigital number, since it uses as much as digits as its factorization.

1044039561111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38668131902 (or 38668131896 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 1044039561111 in words is "one trillion, forty-four billion, thirty-nine million, five hundred sixty-one thousand, one hundred eleven".