2104403042503 has 8 divisors (see below), whose sum is σ = 2180546666496. Its totient is φ = 2028775647000.

The previous prime is 2104403042461. The next prime is 2104403042507. The reversal of 2104403042503 is 3052403044012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104403042503 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 (2104403042507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129048823 + ... + 129065128.

It is an arithmetic number, because the mean of its divisors is an integer number (272568333312).

Almost surely, 2^{2104403042503} is an apocalyptic number.

2104403042503 is a deficient number, since it is larger than the sum of its proper divisors (76143623993).

2104403042503 is a wasteful number, since it uses less digits than its factorization.

2104403042503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258114245.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 2104403042503 its reverse (3052403044012), we get a palindrome (5156806086515).

The spelling of 2104403042503 in words is "two trillion, one hundred four billion, four hundred three million, forty-two thousand, five hundred three".