2117075555 has 16 divisors (see below), whose sum is σ = 2943194304. Its totient is φ = 1431820800.

The previous prime is 2117075489. The next prime is 2117075557. The reversal of 2117075555 is 5555707112.

It is not a de Polignac number, because 2117075555 - 2¹² = 2117071459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2117075557) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 411746 + ... + 416855.

It is an arithmetic number, because the mean of its divisors is an integer number (183949644).

Almost surely, 2^2117075555 is an apocalyptic number.

2117075555 is a deficient number, since it is larger than the sum of its proper divisors (826118749).

2117075555 is an equidigital number, since it uses as much as digits as its factorization.

2117075555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828686.

The product of its (nonzero) digits is 61250, while the sum is 38.

The square root of 2117075555 is about 46011.6893299953. The cubic root of 2117075555 is about 1284.0406886221.

The spelling of 2117075555 in words is "two billion, one hundred seventeen million, seventy-five thousand, five hundred fifty-five".