11218049186 has 4 divisors (see below), whose sum is σ = 16827073782. Its totient is φ = 5609024592.

The previous prime is 11218049113. The next prime is 11218049189. The reversal of 11218049186 is 68194081211.

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

It can be written as a sum of positive squares in only one way, i.e., 11210786161 + 7263025 = 105881^2 + 2695^2 .

It is not an unprimeable number, because it can be changed into a prime (11218049189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2804512295 + ... + 2804512298.

Almost surely, 2^11218049186 is an apocalyptic number.

11218049186 is a deficient number, since it is larger than the sum of its proper divisors (5609024596).

11218049186 is an equidigital number, since it uses as much as digits as its factorization.

11218049186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609024595.

The product of its (nonzero) digits is 27648, while the sum is 41.

The spelling of 11218049186 in words is "eleven billion, two hundred eighteen million, forty-nine thousand, one hundred eighty-six".