1043545513603 has 2 divisors, whose sum is σ = 1043545513604. Its totient is φ = 1043545513602.

The previous prime is 1043545513601. The next prime is 1043545513607. The reversal of 1043545513603 is 3063155453401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043545513603 - 2¹ = 1043545513601 is a prime.

Together with 1043545513601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1043545513601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521772756801 + 521772756802.

It is an arithmetic number, because the mean of its divisors is an integer number (521772756802).

Almost surely, 2^{1043545513603} is an apocalyptic number.

1043545513603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043545513603 is an equidigital number, since it uses as much as digits as its factorization.

1043545513603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 1043545513603 in words is "one trillion, forty-three billion, five hundred forty-five million, five hundred thirteen thousand, six hundred three".