75172055271 has 8 divisors (see below), whose sum is σ = 100583575680. Its totient is φ = 49937619192.

The previous prime is 75172055263. The next prime is 75172055303. The reversal of 75172055271 is 17255027157.

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

It is not a de Polignac number, because 75172055271 - 2³ = 75172055263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75172055471) 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, 44270091 + ... + 44271788.

It is an arithmetic number, because the mean of its divisors is an integer number (12572946960).

Almost surely, 2^75172055271 is an apocalyptic number.

75172055271 is a deficient number, since it is larger than the sum of its proper divisors (25411520409).

75172055271 is a wasteful number, since it uses less digits than its factorization.

75172055271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88542165.

The product of its (nonzero) digits is 171500, while the sum is 42.

The spelling of 75172055271 in words is "seventy-five billion, one hundred seventy-two million, fifty-five thousand, two hundred seventy-one".