172110055155 has 8 divisors (see below), whose sum is σ = 275376088272. Its totient is φ = 91792029408.

The previous prime is 172110055133. The next prime is 172110055157. The reversal of 172110055155 is 551550011271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172110055155 - 2¹⁵ = 172110022387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172110055157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5737001824 + ... + 5737001853.

It is an arithmetic number, because the mean of its divisors is an integer number (34422011034).

Almost surely, 2^172110055155 is an apocalyptic number.

172110055155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172110055155 is a deficient number, since it is larger than the sum of its proper divisors (103266033117).

172110055155 is a wasteful number, since it uses less digits than its factorization.

172110055155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11474003685.

The product of its (nonzero) digits is 8750, while the sum is 33.

The spelling of 172110055155 in words is "one hundred seventy-two billion, one hundred ten million, fifty-five thousand, one hundred fifty-five".