2001510255 has 64 divisors (see below), whose sum is σ = 3639168000. Its totient is φ = 933875712.

The previous prime is 2001510193. The next prime is 2001510289. The reversal of 2001510255 is 5520151002.

It is not a de Polignac number, because 2001510255 - 2⁶ = 2001510191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 184831 + ... + 195359.

It is an arithmetic number, because the mean of its divisors is an integer number (56862000).

Almost surely, 2^2001510255 is an apocalyptic number.

2001510255 is a deficient number, since it is larger than the sum of its proper divisors (1637657745).

2001510255 is a wasteful number, since it uses less digits than its factorization.

2001510255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10608.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 2001510255 is about 44738.2415278026. The cubic root of 2001510255 is about 1260.2381037804.

Adding to 2001510255 its reverse (5520151002), we get a palindrome (7521661257).

The spelling of 2001510255 in words is "two billion, one million, five hundred ten thousand, two hundred fifty-five".