2005042015 has 8 divisors (see below), whose sum is σ = 2406313728. Its totient is φ = 1603858080.

The previous prime is 2005042007. The next prime is 2005042021. The reversal of 2005042015 is 5102405002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2005042015 - 2³ = 2005042007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2005041983 and 2005042001.

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 7 ways as a sum of consecutive naturals, for example, 49410 + ... + 80320.

It is an arithmetic number, because the mean of its divisors is an integer number (300789216).

Almost surely, 2^2005042015 is an apocalyptic number.

2005042015 is a deficient number, since it is larger than the sum of its proper divisors (401271713).

2005042015 is a wasteful number, since it uses less digits than its factorization.

2005042015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43889.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2005042015 is about 44777.6955079200. The cubic root of 2005042015 is about 1260.9789182330.

Adding to 2005042015 its reverse (5102405002), we get a palindrome (7107447017).

The spelling of 2005042015 in words is "two billion, five million, forty-two thousand, fifteen".