2505812104603 has 4 divisors (see below), whose sum is σ = 2518531963200. Its totient is φ = 2493092246008.

The previous prime is 2505812104583. The next prime is 2505812104633. The reversal of 2505812104603 is 3064012185052.

2505812104603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2505812104603 - 2⁹ = 2505812104091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505812104633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6359929003 + ... + 6359929396.

It is an arithmetic number, because the mean of its divisors is an integer number (629632990800).

Almost surely, 2^{2505812104603} is an apocalyptic number.

2505812104603 is a deficient number, since it is larger than the sum of its proper divisors (12719858597).

2505812104603 is a wasteful number, since it uses less digits than its factorization.

2505812104603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12719858596.

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 2505812104603 its reverse (3064012185052), we get a palindrome (5569824289655).

The spelling of 2505812104603 in words is "two trillion, five hundred five billion, eight hundred twelve million, one hundred four thousand, six hundred three".