11128955186 has 8 divisors (see below), whose sum is σ = 16786692720. Its totient is φ = 5533390948.

The previous prime is 11128955183. The next prime is 11128955213. The reversal of 11128955186 is 68155982111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11128955186.

It is not an unprimeable number, because it can be changed into a prime (11128955183) 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, 15542876 + ... + 15543591.

It is an arithmetic number, because the mean of its divisors is an integer number (2098336590).

Almost surely, 2^11128955186 is an apocalyptic number.

11128955186 is a deficient number, since it is larger than the sum of its proper divisors (5657737534).

11128955186 is a wasteful number, since it uses less digits than its factorization.

11128955186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31086648.

The product of its digits is 172800, while the sum is 47.

The spelling of 11128955186 in words is "eleven billion, one hundred twenty-eight million, nine hundred fifty-five thousand, one hundred eighty-six".