171089478053 has 16 divisors (see below), whose sum is σ = 188841043776. Its totient is φ = 154005667200.

The previous prime is 171089478047. The next prime is 171089478061. The reversal of 171089478053 is 350874980171.

It is a cyclic number.

It is not a de Polignac number, because 171089478053 - 2²⁴ = 171072700837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 171089477986 and 171089478004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171089078053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96878 + ... + 592928.

It is an arithmetic number, because the mean of its divisors is an integer number (11802565236).

Almost surely, 2^171089478053 is an apocalyptic number.

171089478053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

171089478053 is a deficient number, since it is larger than the sum of its proper divisors (17751565723).

171089478053 is a wasteful number, since it uses less digits than its factorization.

171089478053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496724.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 171089478053 in words is "one hundred seventy-one billion, eighty-nine million, four hundred seventy-eight thousand, fifty-three".