172051719995 has 8 divisors (see below), whose sum is σ = 215438675616. Its totient is φ = 131656968256.

The previous prime is 172051719991. The next prime is 172051719997. The reversal of 172051719995 is 599917150271.

172051719995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 172051719995 - 2² = 172051719991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172051719995.

It is not an unprimeable number, because it can be changed into a prime (172051719991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748050842 + ... + 748051071.

It is an arithmetic number, because the mean of its divisors is an integer number (26929834452).

Almost surely, 2^172051719995 is an apocalyptic number.

172051719995 is a deficient number, since it is larger than the sum of its proper divisors (43386955621).

172051719995 is a wasteful number, since it uses less digits than its factorization.

172051719995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496101941.

The product of its (nonzero) digits is 1786050, while the sum is 56.

The spelling of 172051719995 in words is "one hundred seventy-two billion, fifty-one million, seven hundred nineteen thousand, nine hundred ninety-five".