47172171830125 has 16 divisors (see below), whose sum is σ = 59410970190000. Its totient is φ = 37391519678400.

The previous prime is 47172171830081. The next prime is 47172171830141. The reversal of 47172171830125 is 52103817127174.

47172171830125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 27909359950761 + 19262811879364 = 5282931^2 + 4388942^2 .

It is not a de Polignac number, because 47172171830125 - 2⁷ = 47172171829997 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1731075250 + ... + 1731102499.

It is an arithmetic number, because the mean of its divisors is an integer number (3713185636875).

Almost surely, 2^{47172171830125} is an apocalyptic number.

It is an amenable number.

47172171830125 is a deficient number, since it is larger than the sum of its proper divisors (12238798359875).

47172171830125 is a wasteful number, since it uses less digits than its factorization.

47172171830125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462177873 (or 3462177863 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 49.

Adding to 47172171830125 its reverse (52103817127174), we get a palindrome (99275988957299).

The spelling of 47172171830125 in words is "forty-seven trillion, one hundred seventy-two billion, one hundred seventy-one million, eight hundred thirty thousand, one hundred twenty-five".