172200055556001 has 8 divisors (see below), whose sum is σ = 250472808081504. Its totient is φ = 104363670033920.

The previous prime is 172200055555993. The next prime is 172200055556051. The reversal of 172200055556001 is 100655550002271.

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

It is not a de Polignac number, because 172200055556001 - 2³ = 172200055555993 is a prime.

It is a super-2 number, since 2×172200055556001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172200055556051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2609091750816 + ... + 2609091750881.

It is an arithmetic number, because the mean of its divisors is an integer number (31309101010188).

Almost surely, 2^{172200055556001} is an apocalyptic number.

172200055556001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

172200055556001 is a deficient number, since it is larger than the sum of its proper divisors (78272752525503).

172200055556001 is a wasteful number, since it uses less digits than its factorization.

172200055556001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218183501711.

The product of its (nonzero) digits is 105000, while the sum is 39.

The spelling of 172200055556001 in words is "one hundred seventy-two trillion, two hundred billion, fifty-five million, five hundred fifty-six thousand, one".