171121063099 has 16 divisors (see below), whose sum is σ = 197223828480. Its totient is φ = 145436705280.

The previous prime is 171121063097. The next prime is 171121063103. The reversal of 171121063099 is 990360121171.

It is a cyclic number.

It is not a de Polignac number, because 171121063099 - 2¹ = 171121063097 is a prime.

It is a super-2 number, since 2×171121063099² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (171121063097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317787 + ... + 665755.

It is an arithmetic number, because the mean of its divisors is an integer number (12326489280).

Almost surely, 2^171121063099 is an apocalyptic number.

171121063099 is a deficient number, since it is larger than the sum of its proper divisors (26102765381).

171121063099 is a wasteful number, since it uses less digits than its factorization.

171121063099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348570.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 171121063099 in words is "one hundred seventy-one billion, one hundred twenty-one million, sixty-three thousand, ninety-nine".