11013135043 has 4 divisors (see below), whose sum is σ = 11015734888. Its totient is φ = 11010535200.

The previous prime is 11013134971. The next prime is 11013135047. The reversal of 11013135043 is 34053131011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013135043 is a prime.

It is a super-2 number, since 2×11013135043² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013135047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293558 + ... + 1302043.

It is an arithmetic number, because the mean of its divisors is an integer number (2753933722).

Almost surely, 2^11013135043 is an apocalyptic number.

11013135043 is a deficient number, since it is larger than the sum of its proper divisors (2599845).

11013135043 is an equidigital number, since it uses as much as digits as its factorization.

11013135043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599844.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 11013135043 its reverse (34053131011), we get a palindrome (45066266054).

The spelling of 11013135043 in words is "eleven billion, thirteen million, one hundred thirty-five thousand, forty-three".