172119430081 has 8 divisors (see below), whose sum is σ = 173562260480. Its totient is φ = 170677968048.

The previous prime is 172119430033. The next prime is 172119430097. The reversal of 172119430081 is 180034911271.

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 172119430081 - 2³¹ = 169971946433 is a prime.

It is a super-2 number, since 2×172119430081² (a number of 23 digits) contains 22 as substring.

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 172119430081.

It is not an unprimeable number, because it can be changed into a prime (172119430481) 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, 88686 + ... + 593383.

It is an arithmetic number, because the mean of its divisors is an integer number (21695282560).

Almost surely, 2^172119430081 is an apocalyptic number.

It is an amenable number.

172119430081 is a deficient number, since it is larger than the sum of its proper divisors (1442830399).

172119430081 is a wasteful number, since it uses less digits than its factorization.

172119430081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684183.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 172119430081 in words is "one hundred seventy-two billion, one hundred nineteen million, four hundred thirty thousand, eighty-one".