44001111005 has 4 divisors (see below), whose sum is σ = 52801333212. Its totient is φ = 35200888800.

The previous prime is 44001110941. The next prime is 44001111047. The reversal of 44001111005 is 50011110044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27933773956 + 16067337049 = 167134^2 + 126757^2 .

It is not a de Polignac number, because 44001111005 - 2⁶ = 44001110941 is a prime.

It is a super-2 number, since 2×44001111005² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4400111096 + ... + 4400111105.

It is an arithmetic number, because the mean of its divisors is an integer number (13200333303).

Almost surely, 2^44001111005 is an apocalyptic number.

It is an amenable number.

44001111005 is a deficient number, since it is larger than the sum of its proper divisors (8800222207).

44001111005 is an equidigital number, since it uses as much as digits as its factorization.

44001111005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8800222206.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 44001111005 its reverse (50011110044), we get a palindrome (94012221049).

The spelling of 44001111005 in words is "forty-four billion, one million, one hundred eleven thousand, five".