172522872255 has 8 divisors (see below), whose sum is σ = 276036595632. Its totient is φ = 92012198528.

The previous prime is 172522872229. The next prime is 172522872257. The reversal of 172522872255 is 552278225271.

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

It is a cyclic number.

It is not a de Polignac number, because 172522872255 - 2⁶ = 172522872191 is a prime.

It is a super-2 number, since 2×172522872255² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172522872257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5750762394 + ... + 5750762423.

It is an arithmetic number, because the mean of its divisors is an integer number (34504574454).

Almost surely, 2^172522872255 is an apocalyptic number.

172522872255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172522872255 is a deficient number, since it is larger than the sum of its proper divisors (103513723377).

172522872255 is a wasteful number, since it uses less digits than its factorization.

172522872255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11501524825.

The product of its digits is 1568000, while the sum is 48.

The spelling of 172522872255 in words is "one hundred seventy-two billion, five hundred twenty-two million, eight hundred seventy-two thousand, two hundred fifty-five".