217068050552111 has 8 divisors (see below), whose sum is σ = 237061445499648. Its totient is φ = 197117978239000.

The previous prime is 217068050552099. The next prime is 217068050552159. The reversal of 217068050552111 is 111255050860712.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 217068050552111 - 2²⁶ = 217067983443247 is a prime.

It is a super-2 number, since 2×217068050552111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217068050552161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10830648125 + ... + 10830668166.

It is an arithmetic number, because the mean of its divisors is an integer number (29632680687456).

Almost surely, 2^{217068050552111} is an apocalyptic number.

217068050552111 is a deficient number, since it is larger than the sum of its proper divisors (19993394947537).

217068050552111 is a wasteful number, since it uses less digits than its factorization.

217068050552111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21661317213.

The product of its (nonzero) digits is 168000, while the sum is 44.

The spelling of 217068050552111 in words is "two hundred seventeen trillion, sixty-eight billion, fifty million, five hundred fifty-two thousand, one hundred eleven".