11303013302503 has 8 divisors (see below), whose sum is σ = 12172775138496. Its totient is φ = 10433294220000.

The previous prime is 11303013302491. The next prime is 11303013302569. The reversal of 11303013302503 is 30520331030311.

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

It is a cyclic number.

It is not a de Polignac number, because 11303013302503 - 2²¹ = 11303011205351 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 (11303013306503) 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, 10138228 + ... + 11197753.

It is an arithmetic number, because the mean of its divisors is an integer number (1521596892312).

Almost surely, 2^{11303013302503} is an apocalyptic number.

11303013302503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11303013302503 is a deficient number, since it is larger than the sum of its proper divisors (869761835993).

11303013302503 is a wasteful number, since it uses less digits than its factorization.

11303013302503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21376745.

The product of its (nonzero) digits is 2430, while the sum is 25.

Adding to 11303013302503 its reverse (30520331030311), we get a palindrome (41823344332814).

The spelling of 11303013302503 in words is "eleven trillion, three hundred three billion, thirteen million, three hundred two thousand, five hundred three".