171115520106 has 32 divisors (see below), whose sum is σ = 357168066048. Its totient is φ = 54549799920.

The previous prime is 171115520101. The next prime is 171115520137. The reversal of 171115520106 is 601025511171.

It is a super-2 number, since 2×171115520106² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (171115520101) 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, 790461 + ... + 983391.

It is an arithmetic number, because the mean of its divisors is an integer number (11161502064).

Almost surely, 2^171115520106 is an apocalyptic number.

171115520106 is an abundant number, since it is smaller than the sum of its proper divisors (186052545942).

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

171115520106 is a wasteful number, since it uses less digits than its factorization.

171115520106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199386.

The product of its (nonzero) digits is 2100, while the sum is 30.

The spelling of 171115520106 in words is "one hundred seventy-one billion, one hundred fifteen million, five hundred twenty thousand, one hundred six".