171116002213747 has 4 divisors (see below), whose sum is σ = 171116028628416. Its totient is φ = 171115975799080.

The previous prime is 171116002213733. The next prime is 171116002213771. The reversal of 171116002213747 is 747312200611171.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 171116002213747 - 2¹¹ = 171116002211699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171116002213547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3871497 + ... + 18900277.

It is an arithmetic number, because the mean of its divisors is an integer number (42779007157104).

Almost surely, 2^{171116002213747} is an apocalyptic number.

171116002213747 is a deficient number, since it is larger than the sum of its proper divisors (26414669).

171116002213747 is a wasteful number, since it uses less digits than its factorization.

171116002213747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26414668.

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 171116002213747 in words is "one hundred seventy-one trillion, one hundred sixteen billion, two million, two hundred thirteen thousand, seven hundred forty-seven".