1188155328671 has 8 divisors (see below), whose sum is σ = 1189271160000. Its totient is φ = 1187039856640.

The previous prime is 1188155328643. The next prime is 1188155328683. The reversal of 1188155328671 is 1768235518811.

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

It is a cyclic number.

It is not a de Polignac number, because 1188155328671 - 2²² = 1188151134367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188155328641) by changing a digit.

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, 6771455 + ... + 6944703.

It is an arithmetic number, because the mean of its divisors is an integer number (148658895000).

Almost surely, 2^{1188155328671} is an apocalyptic number.

1188155328671 is a deficient number, since it is larger than the sum of its proper divisors (1115831329).

1188155328671 is a wasteful number, since it uses less digits than its factorization.

1188155328671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179649.

The product of its digits is 3225600, while the sum is 56.

The spelling of 1188155328671 in words is "one trillion, one hundred eighty-eight billion, one hundred fifty-five million, three hundred twenty-eight thousand, six hundred seventy-one".