11169135128 has 16 divisors (see below), whose sum is σ = 20943320280. Its totient is φ = 5584249728.

The previous prime is 11169135127. The next prime is 11169135151. The reversal of 11169135128 is 82153196111.

It is a junction number, because it is equal to n+sod(n) for n = 11169135091 and 11169135100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11169135121) 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, 183200 + ... + 236432.

Almost surely, 2^11169135128 is an apocalyptic number.

It is an amenable number.

11169135128 is a deficient number, since it is larger than the sum of its proper divisors (9774185152).

11169135128 is a wasteful number, since it uses less digits than its factorization.

11169135128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79466 (or 79462 counting only the distinct ones).

The product of its digits is 12960, while the sum is 38.

The spelling of 11169135128 in words is "eleven billion, one hundred sixty-nine million, one hundred thirty-five thousand, one hundred twenty-eight".