1135540211 has 32 divisors (see below), whose sum is σ = 1365154560. Its totient is φ = 934262784.

The previous prime is 1135540207. The next prime is 1135540229. The reversal of 1135540211 is 1120455311.

It is not a de Polignac number, because 1135540211 - 2² = 1135540207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135540201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338006 + ... + 341348.

It is an arithmetic number, because the mean of its divisors is an integer number (42661080).

Almost surely, 2^1135540211 is an apocalyptic number.

1135540211 is a deficient number, since it is larger than the sum of its proper divisors (229614349).

1135540211 is a wasteful number, since it uses less digits than its factorization.

1135540211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1135540211 is about 33697.7775379920. Note that the first 3 decimals coincide. The cubic root of 1135540211 is about 1043.2798975605.

Adding to 1135540211 its reverse (1120455311), we get a palindrome (2255995522).

The spelling of 1135540211 in words is "one billion, one hundred thirty-five million, five hundred forty thousand, two hundred eleven".