1135530205 has 4 divisors (see below), whose sum is σ = 1362636252. Its totient is φ = 908424160.

The previous prime is 1135530167. The next prime is 1135530239. The reversal of 1135530205 is 5020355311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5020355311 = 317 ⋅15837083.

It can be written as a sum of positive squares in 2 ways, for example, as 121044004 + 1014486201 = 11002^2 + 31851^2 .

It is not a de Polignac number, because 1135530205 - 2¹¹ = 1135528157 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 1135530205.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 113553016 + ... + 113553025.

It is an arithmetic number, because the mean of its divisors is an integer number (340659063).

Almost surely, 2^1135530205 is an apocalyptic number.

It is an amenable number.

1135530205 is a deficient number, since it is larger than the sum of its proper divisors (227106047).

1135530205 is an equidigital number, since it uses as much as digits as its factorization.

1135530205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227106046.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1135530205 is about 33697.6290709005. The cubic root of 1135530205 is about 1043.2768332072.

Adding to 1135530205 its reverse (5020355311), we get a palindrome (6155885516).

The spelling of 1135530205 in words is "one billion, one hundred thirty-five million, five hundred thirty thousand, two hundred five".