2117386115 has 16 divisors (see below), whose sum is σ = 2748603648. Its totient is φ = 1556585856.

The previous prime is 2117386099. The next prime is 2117386121. The reversal of 2117386115 is 5116837112.

It is a cyclic number.

It is not a de Polignac number, because 2117386115 - 2⁴ = 2117386099 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 15 ways as a sum of consecutive naturals, for example, 58544 + ... + 87533.

It is an arithmetic number, because the mean of its divisors is an integer number (171787728).

Almost surely, 2^2117386115 is an apocalyptic number.

2117386115 is a deficient number, since it is larger than the sum of its proper divisors (631217533).

2117386115 is a wasteful number, since it uses less digits than its factorization.

2117386115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146318.

The product of its digits is 10080, while the sum is 35.

The square root of 2117386115 is about 46015.0640008248. The cubic root of 2117386115 is about 1284.1034721125.

The spelling of 2117386115 in words is "two billion, one hundred seventeen million, three hundred eighty-six thousand, one hundred fifteen".