1103343002503 has 32 divisors (see below), whose sum is σ = 1352362936320. Its totient is φ = 878668715520.

The previous prime is 1103343002491. The next prime is 1103343002549. The reversal of 1103343002503 is 3052003433011.

It is a cyclic number.

It is not a de Polignac number, because 1103343002503 - 2⁹ = 1103343001991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103343002303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3358200 + ... + 3672082.

It is an arithmetic number, because the mean of its divisors is an integer number (42261341760).

Almost surely, 2^{1103343002503} is an apocalyptic number.

1103343002503 is a deficient number, since it is larger than the sum of its proper divisors (249019933817).

1103343002503 is a wasteful number, since it uses less digits than its factorization.

1103343002503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314287.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 1103343002503 its reverse (3052003433011), we get a palindrome (4155346435514).

The spelling of 1103343002503 in words is "one trillion, one hundred three billion, three hundred forty-three million, two thousand, five hundred three".