11169135243 has 48 divisors (see below), whose sum is σ = 18772266240. Its totient is φ = 6266889792.

The previous prime is 11169135227. The next prime is 11169135301. The reversal of 11169135243 is 34253196111.

11169135243 is a `hidden beast` number, since 1 + 116 + 9 + 13 + 524 + 3 = 666.

It is not a de Polignac number, because 11169135243 - 2⁴ = 11169135227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11169135198 and 11169135207.

It is not an unprimeable number, because it can be changed into a prime (11169135223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5660005 + ... + 5661977.

It is an arithmetic number, because the mean of its divisors is an integer number (391088880).

Almost surely, 2^11169135243 is an apocalyptic number.

11169135243 is a deficient number, since it is larger than the sum of its proper divisors (7603130997).

11169135243 is a wasteful number, since it uses less digits than its factorization.

11169135243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568 (or 3565 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The spelling of 11169135243 in words is "eleven billion, one hundred sixty-nine million, one hundred thirty-five thousand, two hundred forty-three".