11115106203 has 16 divisors (see below), whose sum is σ = 15338624000. Its totient is φ = 7152092640.

The previous prime is 11115106199. The next prime is 11115106241. The reversal of 11115106203 is 30260151111.

It is a happy number.

11115106203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11115106203 - 2² = 11115106199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11115106203.

It is not an unprimeable number, because it can be changed into a prime (11115106003) 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 15 ways as a sum of consecutive naturals, for example, 122428 + ... + 192921.

It is an arithmetic number, because the mean of its divisors is an integer number (958664000).

Almost surely, 2^11115106203 is an apocalyptic number.

11115106203 is a deficient number, since it is larger than the sum of its proper divisors (4223517797).

11115106203 is a wasteful number, since it uses less digits than its factorization.

11115106203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315762.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 11115106203 its reverse (30260151111), we get a palindrome (41375257314).

The spelling of 11115106203 in words is "eleven billion, one hundred fifteen million, one hundred six thousand, two hundred three".