1040553344543 has 2 divisors, whose sum is σ = 1040553344544. Its totient is φ = 1040553344542.

The previous prime is 1040553344507. The next prime is 1040553344563. The reversal of 1040553344543 is 3454433550401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1040553344543 - 2¹⁴ = 1040553328159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040553344543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040553344563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520276672271 + 520276672272.

It is an arithmetic number, because the mean of its divisors is an integer number (520276672272).

Almost surely, 2^{1040553344543} is an apocalyptic number.

1040553344543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040553344543 is an equidigital number, since it uses as much as digits as its factorization.

1040553344543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 1040553344543 its reverse (3454433550401), we get a palindrome (4494986894944).

The spelling of 1040553344543 in words is "one trillion, forty billion, five hundred fifty-three million, three hundred forty-four thousand, five hundred forty-three".