201170517047 has 2 divisors, whose sum is σ = 201170517048. Its totient is φ = 201170517046.

The previous prime is 201170517019. The next prime is 201170517071. The reversal of 201170517047 is 740715071102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201170517047 - 2²⁰ = 201169468471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201170516998 and 201170517016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201170517017) 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 as a sum of consecutive naturals, namely, 100585258523 + 100585258524.

It is an arithmetic number, because the mean of its divisors is an integer number (100585258524).

Almost surely, 2^201170517047 is an apocalyptic number.

201170517047 is a deficient number, since it is larger than the sum of its proper divisors (1).

201170517047 is an equidigital number, since it uses as much as digits as its factorization.

201170517047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13720, while the sum is 35.

Adding to 201170517047 its reverse (740715071102), we get a palindrome (941885588149).

The spelling of 201170517047 in words is "two hundred one billion, one hundred seventy million, five hundred seventeen thousand, forty-seven".