171272710277157 has 16 divisors (see below), whose sum is σ = 242173985542272. Its totient is φ = 107297577492480.

The previous prime is 171272710277143. The next prime is 171272710277189. The reversal of 171272710277157 is 751772017272171.

It is not a de Polignac number, because 171272710277157 - 2¹¹ = 171272710275109 is a prime.

It is a super-2 number, since 2×171272710277157² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 171272710277097 and 171272710277106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171272010277157) 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, 2619537073 + ... + 2619602454.

It is an arithmetic number, because the mean of its divisors is an integer number (15135874096392).

Almost surely, 2^{171272710277157} is an apocalyptic number.

171272710277157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

171272710277157 is a deficient number, since it is larger than the sum of its proper divisors (70901275265115).

171272710277157 is a wasteful number, since it uses less digits than its factorization.

171272710277157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239140188.

The product of its (nonzero) digits is 4705960, while the sum is 57.

The spelling of 171272710277157 in words is "one hundred seventy-one trillion, two hundred seventy-two billion, seven hundred ten million, two hundred seventy-seven thousand, one hundred fifty-seven".