11203320135 has 32 divisors (see below), whose sum is σ = 20494006272. Its totient is φ = 5119534080.

The previous prime is 11203320133. The next prime is 11203320143. The reversal of 11203320135 is 53102330211.

11203320135 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 11203320135 - 2¹ = 11203320133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203320131) 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, 271255 + ... + 309815.

It is an arithmetic number, because the mean of its divisors is an integer number (640437696).

Almost surely, 2^11203320135 is an apocalyptic number.

11203320135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11203320135 is a deficient number, since it is larger than the sum of its proper divisors (9290686137).

11203320135 is a wasteful number, since it uses less digits than its factorization.

11203320135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41343.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 11203320135 its reverse (53102330211), we get a palindrome (64305650346).

The spelling of 11203320135 in words is "eleven billion, two hundred three million, three hundred twenty thousand, one hundred thirty-five".