1045313543555 has 32 divisors (see below), whose sum is σ = 1273722278400. Its totient is φ = 823438598400.

The previous prime is 1045313543509. The next prime is 1045313543587. The reversal of 1045313543555 is 5553453135401.

It is not a de Polignac number, because 1045313543555 - 2⁸ = 1045313543299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111543020 + ... + 111552390.

It is an arithmetic number, because the mean of its divisors is an integer number (39803821200).

Almost surely, 2^{1045313543555} is an apocalyptic number.

1045313543555 is a deficient number, since it is larger than the sum of its proper divisors (228408734845).

1045313543555 is an equidigital number, since it uses as much as digits as its factorization.

1045313543555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10475.

The product of its (nonzero) digits is 1350000, while the sum is 44.

Adding to 1045313543555 its reverse (5553453135401), we get a palindrome (6598766678956).

The spelling of 1045313543555 in words is "one trillion, forty-five billion, three hundred thirteen million, five hundred forty-three thousand, five hundred fifty-five".