2001150255 has 64 divisors (see below), whose sum is σ = 3559385088. Its totient is φ = 953856000.

The previous prime is 2001150247. The next prime is 2001150271. The reversal of 2001150255 is 5520511002.

It is not a de Polignac number, because 2001150255 - 2³ = 2001150247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 887880 + ... + 890130.

It is an arithmetic number, because the mean of its divisors is an integer number (55615392).

Almost surely, 2^2001150255 is an apocalyptic number.

2001150255 is a deficient number, since it is larger than the sum of its proper divisors (1558234833).

2001150255 is a wasteful number, since it uses less digits than its factorization.

2001150255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416.

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

The square root of 2001150255 is about 44734.2179433149. The cubic root of 2001150255 is about 1260.1625420191.

Adding to 2001150255 its reverse (5520511002), we get a palindrome (7521661257).

The spelling of 2001150255 in words is "two billion, one million, one hundred fifty thousand, two hundred fifty-five".