2117705061 has 8 divisors (see below), whose sum is σ = 2845840384. Its totient is φ = 1400686560.

The previous prime is 2117705041. The next prime is 2117705099. The reversal of 2117705061 is 1605077112.

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

It is not a de Polignac number, because 2117705061 - 2¹⁰ = 2117704037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117705041) 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 7 ways as a sum of consecutive naturals, for example, 2778760 + ... + 2779521.

It is an arithmetic number, because the mean of its divisors is an integer number (355730048).

Almost surely, 2^2117705061 is an apocalyptic number.

It is an amenable number.

2117705061 is a deficient number, since it is larger than the sum of its proper divisors (728135323).

2117705061 is a wasteful number, since it uses less digits than its factorization.

2117705061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558411.

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 2117705061 is about 46018.5295397408. The cubic root of 2117705061 is about 1284.1679445456.

The spelling of 2117705061 in words is "two billion, one hundred seventeen million, seven hundred five thousand, sixty-one".