8680530188991 has 8 divisors (see below), whose sum is σ = 11574189852544. Its totient is φ = 5786945325720.

The previous prime is 8680530188947. The next prime is 8680530189017. The reversal of 8680530188991 is 1998810350868.

It is a happy number.

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

It is not a de Polignac number, because 8680530188991 - 2¹¹ = 8680530186943 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 (8680530181991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18428725 + ... + 18893886.

It is an arithmetic number, because the mean of its divisors is an integer number (1446773731568).

Almost surely, 2^{8680530188991} is an apocalyptic number.

8680530188991 is a deficient number, since it is larger than the sum of its proper divisors (2893659663553).

8680530188991 is a wasteful number, since it uses less digits than its factorization.

8680530188991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37400141.

The product of its (nonzero) digits is 29859840, while the sum is 66.

The spelling of 8680530188991 in words is "eight trillion, six hundred eighty billion, five hundred thirty million, one hundred eighty-eight thousand, nine hundred ninety-one".