2001340545003 has 14 divisors (see below), whose sum is σ = 3000638157044. Its totient is φ = 1334227029516.

The previous prime is 2001340544971. The next prime is 2001340545013. The reversal of 2001340545003 is 3005450431002.

2001340545003 is a `hidden beast` number, since 20 + 0 + 134 + 0 + 5 + 4 + 500 + 3 = 666.

It is not a de Polignac number, because 2001340545003 - 2⁵ = 2001340544971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001340545013) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1372660825 + ... + 1372662282.

Almost surely, 2^{2001340545003} is an apocalyptic number.

2001340545003 is a deficient number, since it is larger than the sum of its proper divisors (999297612041).

2001340545003 is an frugal number, since it uses more digits than its factorization.

2001340545003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745323125 (or 2745323110 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 2001340545003 its reverse (3005450431002), we get a palindrome (5006790976005).

The spelling of 2001340545003 in words is "two trillion, one billion, three hundred forty million, five hundred forty-five thousand, three".