11601198188 has 24 divisors (see below), whose sum is σ = 20744640000. Its totient is φ = 5674284368.

The previous prime is 11601198121. The next prime is 11601198209. The reversal of 11601198188 is 88189110611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379913 + ... + 409311.

It is an arithmetic number, because the mean of its divisors is an integer number (864360000).

Almost surely, 2^11601198188 is an apocalyptic number.

It is an amenable number.

11601198188 is a deficient number, since it is larger than the sum of its proper divisors (9143441812).

11601198188 is a wasteful number, since it uses less digits than its factorization.

11601198188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31549 (or 31547 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 44.

The spelling of 11601198188 in words is "eleven billion, six hundred one million, one hundred ninety-eight thousand, one hundred eighty-eight".