171105104172 has 24 divisors (see below), whose sum is σ = 399345995776. Its totient is φ = 57020641488.

The previous prime is 171105104147. The next prime is 171105104173. The reversal of 171105104172 is 271401501171.

171105104172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×171105104172³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (171105104173) 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, 1749568 + ... + 1844775.

Almost surely, 2^171105104172 is an apocalyptic number.

171105104172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171105104172 is an abundant number, since it is smaller than the sum of its proper divisors (228240891604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171105104172 is a wasteful number, since it uses less digits than its factorization.

171105104172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598317 (or 3598315 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 30.

The spelling of 171105104172 in words is "one hundred seventy-one billion, one hundred five million, one hundred four thousand, one hundred seventy-two".