171028117534 has 16 divisors (see below), whose sum is σ = 271687500000. Its totient is φ = 80467640064.

The previous prime is 171028117453. The next prime is 171028117537. The reversal of 171028117534 is 435711820171.

171028117534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171028117537) 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, 333159 + ... + 673090.

It is an arithmetic number, because the mean of its divisors is an integer number (16980468750).

Almost surely, 2^171028117534 is an apocalyptic number.

171028117534 is a deficient number, since it is larger than the sum of its proper divisors (100659382466).

171028117534 is a wasteful number, since it uses less digits than its factorization.

171028117534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011267.

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 171028117534 in words is "one hundred seventy-one billion, twenty-eight million, one hundred seventeen thousand, five hundred thirty-four".