1040561344027 has 2 divisors, whose sum is σ = 1040561344028. Its totient is φ = 1040561344026.

The previous prime is 1040561344001. The next prime is 1040561344073. The reversal of 1040561344027 is 7204431650401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040561344027 - 2¹⁵ = 1040561311259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040561342027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520280672013 + 520280672014.

It is an arithmetic number, because the mean of its divisors is an integer number (520280672014).

Almost surely, 2^{1040561344027} is an apocalyptic number.

1040561344027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040561344027 is an equidigital number, since it uses as much as digits as its factorization.

1040561344027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 1040561344027 its reverse (7204431650401), we get a palindrome (8244992994428).

The spelling of 1040561344027 in words is "one trillion, forty billion, five hundred sixty-one million, three hundred forty-four thousand, twenty-seven".