2505305030503 has 16 divisors (see below), whose sum is σ = 2734719321600. Its totient is φ = 2276167737600.

The previous prime is 2505305030491. The next prime is 2505305030507. The reversal of 2505305030503 is 3050305035052.

It is a cyclic number.

It is not a de Polignac number, because 2505305030503 - 2²⁹ = 2504768159591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505305030507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185064151 + ... + 185077687.

It is an arithmetic number, because the mean of its divisors is an integer number (170919957600).

Almost surely, 2^{2505305030503} is an apocalyptic number.

2505305030503 is a deficient number, since it is larger than the sum of its proper divisors (229414291097).

2505305030503 is a wasteful number, since it uses less digits than its factorization.

2505305030503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22518.

The product of its (nonzero) digits is 33750, while the sum is 31.

The spelling of 2505305030503 in words is "two trillion, five hundred five billion, three hundred five million, thirty thousand, five hundred three".