172034245579905 has 48 divisors (see below), whose sum is σ = 310884527169216. Its totient is φ = 87926936872320.

The previous prime is 172034245579897. The next prime is 172034245579913. The reversal of 172034245579905 is 509975542430271.

172034245579905 is a `hidden beast` number, since 1 + 7 + 2 + 0 + 3 + 424 + 55 + 79 + 90 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (172034245579897) and next prime (172034245579913).

It is not a de Polignac number, because 172034245579905 - 2³ = 172034245579897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 838638831 + ... + 838843940.

It is an arithmetic number, because the mean of its divisors is an integer number (6476760982692).

Almost surely, 2^{172034245579905} is an apocalyptic number.

172034245579905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172034245579905 is a deficient number, since it is larger than the sum of its proper divisors (138850281589311).

172034245579905 is a wasteful number, since it uses less digits than its factorization.

172034245579905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677482878 (or 1677482875 counting only the distinct ones).

The product of its (nonzero) digits is 95256000, while the sum is 63.

The spelling of 172034245579905 in words is "one hundred seventy-two trillion, thirty-four billion, two hundred forty-five million, five hundred seventy-nine thousand, nine hundred five".