171153114688397 has 2 divisors, whose sum is σ = 171153114688398. Its totient is φ = 171153114688396.

The previous prime is 171153114688289. The next prime is 171153114688441. The reversal of 171153114688397 is 793886411351171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143513427724681 + 27639686963716 = 11979709^2 + 5257346^2 .

It is an emirp because it is prime and its reverse (793886411351171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171153114688397 - 2¹⁸ = 171153114426253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171153114688097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85576557344198 + 85576557344199.

It is an arithmetic number, because the mean of its divisors is an integer number (85576557344199).

Almost surely, 2^{171153114688397} is an apocalyptic number.

It is an amenable number.

171153114688397 is a deficient number, since it is larger than the sum of its proper divisors (1).

171153114688397 is an equidigital number, since it uses as much as digits as its factorization.

171153114688397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 65.

The spelling of 171153114688397 in words is "one hundred seventy-one trillion, one hundred fifty-three billion, one hundred fourteen million, six hundred eighty-eight thousand, three hundred ninety-seven".