217454252712711 has 16 divisors (see below), whose sum is σ = 331360709827584. Its totient is φ = 124258879772064.

The previous prime is 217454252712701. The next prime is 217454252712761. The reversal of 217454252712711 is 117217252454712.

It is not a de Polignac number, because 217454252712711 - 2⁷ = 217454252712583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217454252712701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25017631 + ... + 32569776.

It is an arithmetic number, because the mean of its divisors is an integer number (20710044364224).

Almost surely, 2^{217454252712711} is an apocalyptic number.

217454252712711 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

217454252712711 is a deficient number, since it is larger than the sum of its proper divisors (113906457114873).

217454252712711 is a wasteful number, since it uses less digits than its factorization.

217454252712711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57767230.

The product of its digits is 2195200, while the sum is 51.

The spelling of 217454252712711 in words is "two hundred seventeen trillion, four hundred fifty-four billion, two hundred fifty-two million, seven hundred twelve thousand, seven hundred eleven".