171211405620675 has 48 divisors (see below), whose sum is σ = 323518075462400. Its totient is φ = 78265640154240.

The previous prime is 171211405620659. The next prime is 171211405620701. The reversal of 171211405620675 is 576026504112171.

It is not a de Polignac number, because 171211405620675 - 2⁴ = 171211405620659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11908569 + ... + 22005381.

Almost surely, 2^{171211405620675} is an apocalyptic number.

171211405620675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

171211405620675 is a deficient number, since it is larger than the sum of its proper divisors (152306669841725).

171211405620675 is a wasteful number, since it uses less digits than its factorization.

171211405620675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10129132 (or 10129127 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 171211405620675 in words is "one hundred seventy-one trillion, two hundred eleven billion, four hundred five million, six hundred twenty thousand, six hundred seventy-five".