11155303103 has 6 divisors (see below), whose sum is σ = 12976577136. Its totient is φ = 9561688332.

The previous prime is 11155303099. The next prime is 11155303109. The reversal of 11155303103 is 30130355111.

It is not a de Polignac number, because 11155303103 - 2² = 11155303099 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 (11155303109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113829575 + ... + 113829672.

It is an arithmetic number, because the mean of its divisors is an integer number (2162762856).

Almost surely, 2^11155303103 is an apocalyptic number.

11155303103 is a deficient number, since it is larger than the sum of its proper divisors (1821274033).

11155303103 is an equidigital number, since it uses as much as digits as its factorization.

11155303103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227659261 (or 227659254 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 23.

Adding to 11155303103 its reverse (30130355111), we get a palindrome (41285658214).

The spelling of 11155303103 in words is "eleven billion, one hundred fifty-five million, three hundred three thousand, one hundred three".