11836548218 has 32 divisors (see below), whose sum is σ = 20885618880. Its totient is φ = 4972752000.

The previous prime is 11836548211. The next prime is 11836548221. The reversal of 11836548218 is 81284563811.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11836548211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328193 + ... + 362468.

It is an arithmetic number, because the mean of its divisors is an integer number (652675590).

Almost surely, 2^11836548218 is an apocalyptic number.

11836548218 is a deficient number, since it is larger than the sum of its proper divisors (9049070662).

11836548218 is a wasteful number, since it uses less digits than its factorization.

11836548218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690734.

The product of its digits is 368640, while the sum is 47.

The spelling of 11836548218 in words is "eleven billion, eight hundred thirty-six million, five hundred forty-eight thousand, two hundred eighteen".