2117409511 has 6 divisors (see below), whose sum is σ = 2463109080. Its totient is φ = 1814922396.

The previous prime is 2117409487. The next prime is 2117409529. The reversal of 2117409511 is 1159047112.

It is not a de Polignac number, because 2117409511 - 2⁵ = 2117409479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117400511) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 21606171 + ... + 21606268.

It is an arithmetic number, because the mean of its divisors is an integer number (410518180).

Almost surely, 2^2117409511 is an apocalyptic number.

2117409511 is a deficient number, since it is larger than the sum of its proper divisors (345699569).

2117409511 is an equidigital number, since it uses as much as digits as its factorization.

2117409511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43212453 (or 43212446 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 2117409511 is about 46015.3182212185. The cubic root of 2117409511 is about 1284.1082016505.

The spelling of 2117409511 in words is "two billion, one hundred seventeen million, four hundred nine thousand, five hundred eleven".