2516855605 has 32 divisors (see below), whose sum is σ = 3360631680. Its totient is φ = 1794232320.

The previous prime is 2516855591. The next prime is 2516855623. The reversal of 2516855605 is 5065586152.

It is not a de Polignac number, because 2516855605 - 2⁹ = 2516855093 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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 568641 + ... + 573049.

It is an arithmetic number, because the mean of its divisors is an integer number (105019740).

Almost surely, 2^2516855605 is an apocalyptic number.

It is an amenable number.

2516855605 is a deficient number, since it is larger than the sum of its proper divisors (843776075).

2516855605 is a wasteful number, since it uses less digits than its factorization.

2516855605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629.

The product of its (nonzero) digits is 360000, while the sum is 43.

The square root of 2516855605 is about 50168.2728923370. The cubic root of 2516855605 is about 1360.2521888515.

The spelling of 2516855605 in words is "two billion, five hundred sixteen million, eight hundred fifty-five thousand, six hundred five".