2503003005003 has 8 divisors (see below), whose sum is σ = 3337913660416. Its totient is φ = 1668380509800.

The previous prime is 2503003004993. The next prime is 2503003005017. The reversal of 2503003005003 is 3005003003052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2503003005003 - 2¹⁶ = 2503002939467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2503003005703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72019783 + ... + 72054528.

It is an arithmetic number, because the mean of its divisors is an integer number (417239207552).

Almost surely, 2^{2503003005003} is an apocalyptic number.

2503003005003 is a deficient number, since it is larger than the sum of its proper divisors (834910655413).

2503003005003 is a wasteful number, since it uses less digits than its factorization.

2503003005003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144080105.

The product of its (nonzero) digits is 1350, while the sum is 21.

Adding to 2503003005003 its reverse (3005003003052), we get a palindrome (5508006008055).

The spelling of 2503003005003 in words is "two trillion, five hundred three billion, three million, five thousand, three".