106989000191 has 2 divisors, whose sum is σ = 106989000192.
Its totient is φ = 106989000190.
The previous prime is 106989000179. The next prime is 106989000211. The reversal of 106989000191 is 191000989601.
Adding to 106989000191 its reverse (191000989601), we get a palindrome (297989989792).
It is a weak prime.
It is an emirp because it is prime and its reverse (191000989601) is a distict prime.
It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 161000686901 and 109686000161.
It is a cyclic number.
It is not a de Polignac number, because 106989000191 - 26 = 106989000127 is a prime.
It is a super-2 number, since 2×1069890001912 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (106989050191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53494500095 + 53494500096.
It is an arithmetic number, because the mean of its divisors is an integer number (53494500096).
Almost surely, 2106989000191 is an apocalyptic number.
106989000191 is a deficient number, since it is larger than the sum of its proper divisors (1).
106989000191 is an equidigital number, since it uses as much as digits as its factorization.
106989000191 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 34992, while the sum is 44.
The spelling of 106989000191 in words is "one hundred six billion, nine hundred eighty-nine million, one hundred ninety-one", and thus it is an aban number.