11321102403 has 32 divisors (see below), whose sum is σ = 18070113600. Its totient is φ = 6963763968.

The previous prime is 11321102357. The next prime is 11321102449. The reversal of 11321102403 is 30420112311.

It is an interprime number because it is at equal distance from previous prime (11321102357) and next prime (11321102449).

It is not a de Polignac number, because 11321102403 - 2⁸ = 11321102147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11321102473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 990103 + ... + 1001471.

It is an arithmetic number, because the mean of its divisors is an integer number (564691050).

Almost surely, 2^11321102403 is an apocalyptic number.

11321102403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11321102403 is a deficient number, since it is larger than the sum of its proper divisors (6749011197).

11321102403 is a wasteful number, since it uses less digits than its factorization.

11321102403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14228 (or 14222 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11321102403 its reverse (30420112311), we get a palindrome (41741214714).

The spelling of 11321102403 in words is "eleven billion, three hundred twenty-one million, one hundred two thousand, four hundred three".