2171375115 has 64 divisors (see below), whose sum is σ = 4284413952. Its totient is φ = 914457600.

The previous prime is 2171375057. The next prime is 2171375123. The reversal of 2171375115 is 5115731712.

It is not a de Polignac number, because 2171375115 - 2¹⁹ = 2170850827 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 860055 + ... + 862575.

It is an arithmetic number, because the mean of its divisors is an integer number (66943968).

Almost surely, 2^2171375115 is an apocalyptic number.

2171375115 is a deficient number, since it is larger than the sum of its proper divisors (2113038837).

2171375115 is a wasteful number, since it uses less digits than its factorization.

2171375115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180.

The product of its digits is 7350, while the sum is 33.

The square root of 2171375115 is about 46598.0162131394. The cubic root of 2171375115 is about 1294.9260036331.

The spelling of 2171375115 in words is "two billion, one hundred seventy-one million, three hundred seventy-five thousand, one hundred fifteen".