6001001109 has 12 divisors (see below), whose sum is σ = 8723325676. Its totient is φ = 3975184512.

The previous prime is 6001001107. The next prime is 6001001147. The reversal of 6001001109 is 9011001006.

It can be written as a sum of positive squares in 2 ways, for example, as 3116988900 + 2884012209 = 55830^2 + 53703^2 .

It is not a de Polignac number, because 6001001109 - 2¹ = 6001001107 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6001001091 and 6001001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6001001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2122084 + ... + 2124909.

Almost surely, 2^6001001109 is an apocalyptic number.

It is an amenable number.

6001001109 is a deficient number, since it is larger than the sum of its proper divisors (2722324567).

6001001109 is a wasteful number, since it uses less digits than its factorization.

6001001109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247156 (or 4247153 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 6001001109 is about 77466.1287854247. The cubic root of 6001001109 is about 1817.2216503107.

The spelling of 6001001109 in words is "six billion, one million, one thousand, one hundred nine".