1135543011 has 24 divisors (see below), whose sum is σ = 1588211856. Its totient is φ = 721244160.

The previous prime is 1135543007. The next prime is 1135543021. The reversal of 1135543011 is 1103455311.

It is not a de Polignac number, because 1135543011 - 2² = 1135543007 is a prime.

It is a super-2 number, since 2×1135543011² = 2578915859661892242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1135543021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224931 + ... + 229923.

It is an arithmetic number, because the mean of its divisors is an integer number (66175494).

Almost surely, 2^1135543011 is an apocalyptic number.

1135543011 is a deficient number, since it is larger than the sum of its proper divisors (452668845).

1135543011 is an equidigital number, since it uses as much as digits as its factorization.

1135543011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123 (or 5080 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1135543011 is about 33697.8190837330. The cubic root of 1135543011 is about 1043.2807550617.

Adding to 1135543011 its reverse (1103455311), we get a palindrome (2238998322).

The spelling of 1135543011 in words is "one billion, one hundred thirty-five million, five hundred forty-three thousand, eleven".