2685081107 has 4 divisors (see below), whose sum is σ = 2690957016. Its totient is φ = 2679205200.

The previous prime is 2685081073. The next prime is 2685081143. The reversal of 2685081107 is 7011805862.

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 2685081107 - 2⁶ = 2685081043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2685081187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2937269 + ... + 2938182.

It is an arithmetic number, because the mean of its divisors is an integer number (672739254).

Almost surely, 2^2685081107 is an apocalyptic number.

2685081107 is a deficient number, since it is larger than the sum of its proper divisors (5875909).

2685081107 is an equidigital number, since it uses as much as digits as its factorization.

2685081107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875908.

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 2685081107 is about 51817.7682556862. The cubic root of 2685081107 is about 1389.9071944318.

Adding to 2685081107 its reverse (7011805862), we get a palindrome (9696886969).

The spelling of 2685081107 in words is "two billion, six hundred eighty-five million, eighty-one thousand, one hundred seven".