11845198885 has 32 divisors (see below), whose sum is σ = 16218558720. Its totient is φ = 8227365888.

The previous prime is 11845198853. The next prime is 11845198889. The reversal of 11845198885 is 58889154811.

It is a cyclic number.

It is not a de Polignac number, because 11845198885 - 2⁵ = 11845198853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11845198889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2582304 + ... + 2586886.

It is an arithmetic number, because the mean of its divisors is an integer number (506829960).

Almost surely, 2^11845198885 is an apocalyptic number.

It is an amenable number.

11845198885 is a deficient number, since it is larger than the sum of its proper divisors (4373359835).

11845198885 is a wasteful number, since it uses less digits than its factorization.

11845198885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6957.

The product of its digits is 3686400, while the sum is 58.

The spelling of 11845198885 in words is "eleven billion, eight hundred forty-five million, one hundred ninety-eight thousand, eight hundred eighty-five".