1005544441207 has 2 divisors, whose sum is σ = 1005544441208. Its totient is φ = 1005544441206.

The previous prime is 1005544441183. The next prime is 1005544441243. The reversal of 1005544441207 is 7021444455001.

It is a weak prime.

It is an emirp because it is prime and its reverse (7021444455001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005544441207 - 2⁷ = 1005544441079 is a prime.

It is a super-2 number, since 2×1005544441207² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005544441277) 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 as a sum of consecutive naturals, namely, 502772220603 + 502772220604.

It is an arithmetic number, because the mean of its divisors is an integer number (502772220604).

Almost surely, 2^{1005544441207} is an apocalyptic number.

1005544441207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005544441207 is an equidigital number, since it uses as much as digits as its factorization.

1005544441207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 37.

Adding to 1005544441207 its reverse (7021444455001), we get a palindrome (8026988896208).

The spelling of 1005544441207 in words is "one trillion, five billion, five hundred forty-four million, four hundred forty-one thousand, two hundred seven".