2001335115 has 64 divisors (see below), whose sum is σ = 3665692800. Its totient is φ = 926871552.

The previous prime is 2001335033. The next prime is 2001335123. The reversal of 2001335115 is 5115331002.

It is not a de Polignac number, because 2001335115 - 2⁹ = 2001334603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001335091 and 2001335100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 956991 + ... + 959079.

It is an arithmetic number, because the mean of its divisors is an integer number (57276450).

Almost surely, 2^2001335115 is an apocalyptic number.

2001335115 is a deficient number, since it is larger than the sum of its proper divisors (1664357685).

2001335115 is a wasteful number, since it uses less digits than its factorization.

2001335115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2127 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 2001335115 is about 44736.2840991516. The cubic root of 2001335115 is about 1260.2013441154.

Adding to 2001335115 its reverse (5115331002), we get a palindrome (7116666117).

The spelling of 2001335115 in words is "two billion, one million, three hundred thirty-five thousand, one hundred fifteen".