2116505315 has 8 divisors (see below), whose sum is σ = 2621735808. Its totient is φ = 1638584640.

The previous prime is 2116505273. The next prime is 2116505327. The reversal of 2116505315 is 5135056112.

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

It is not a de Polignac number, because 2116505315 - 2¹⁴ = 2116488931 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 6827282 + ... + 6827591.

It is an arithmetic number, because the mean of its divisors is an integer number (327716976).

Almost surely, 2^2116505315 is an apocalyptic number.

2116505315 is a deficient number, since it is larger than the sum of its proper divisors (505230493).

2116505315 is a wasteful number, since it uses less digits than its factorization.

2116505315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654909.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 2116505315 is about 46005.4922264723. The cubic root of 2116505315 is about 1283.9253916642.

The spelling of 2116505315 in words is "two billion, one hundred sixteen million, five hundred five thousand, three hundred fifteen".