6105109999 has 4 divisors (see below), whose sum is σ = 6112493064. Its totient is φ = 6097726936.

The previous prime is 6105109993. The next prime is 6105110017. The reversal of 6105109999 is 9999015016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6105109999 - 2³ = 6105109991 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6105109991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3690292 + ... + 3691945.

It is an arithmetic number, because the mean of its divisors is an integer number (1528123266).

Almost surely, 2^6105109999 is an apocalyptic number.

6105109999 is a deficient number, since it is larger than the sum of its proper divisors (7383065).

6105109999 is an equidigital number, since it uses as much as digits as its factorization.

6105109999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383064.

The product of its (nonzero) digits is 196830, while the sum is 49.

The square root of 6105109999 is about 78135.2033273095. The cubic root of 6105109999 is about 1827.6702013733.

The spelling of 6105109999 in words is "six billion, one hundred five million, one hundred nine thousand, nine hundred ninety-nine".