172034520771081 has 32 divisors (see below), whose sum is σ = 232762847616000. Its totient is φ = 113000072189760.

The previous prime is 172034520771053. The next prime is 172034520771149. The reversal of 172034520771081 is 180177025430271.

It is not a de Polignac number, because 172034520771081 - 2⁵ = 172034520771049 is a prime.

It is a super-2 number, since 2×172034520771081² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 172034520771081.

It is not an unprimeable number, because it can be changed into a prime (172034520771181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6122428770 + ... + 6122456868.

It is an arithmetic number, because the mean of its divisors is an integer number (7273838988000).

Almost surely, 2^{172034520771081} is an apocalyptic number.

It is an amenable number.

172034520771081 is a deficient number, since it is larger than the sum of its proper divisors (60728326844919).

172034520771081 is a wasteful number, since it uses less digits than its factorization.

172034520771081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46029.

The product of its (nonzero) digits is 658560, while the sum is 48.

The spelling of 172034520771081 in words is "one hundred seventy-two trillion, thirty-four billion, five hundred twenty million, seven hundred seventy-one thousand, eighty-one".