171136535453 has 8 divisors (see below), whose sum is σ = 189281989848. Its totient is φ = 153702667584.

The previous prime is 171136535377. The next prime is 171136535489. The reversal of 171136535453 is 354535631171.

171136535453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85660411684 + 85476123769 = 292678^2 + 292363^2 .

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 171136535453 - 2¹⁴ = 171136519069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171136535953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177896126 + ... + 177897087.

It is an arithmetic number, because the mean of its divisors is an integer number (23660248731).

Almost surely, 2^171136535453 is an apocalyptic number.

171136535453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

171136535453 is a deficient number, since it is larger than the sum of its proper divisors (18145454395).

171136535453 is a wasteful number, since it uses less digits than its factorization.

171136535453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355793263.

The product of its digits is 567000, while the sum is 44.

The spelling of 171136535453 in words is "one hundred seventy-one billion, one hundred thirty-six million, five hundred thirty-five thousand, four hundred fifty-three".