47052005171 has 4 divisors (see below), whose sum is σ = 48053111712. Its totient is φ = 46050898632.

The previous prime is 47052005101. The next prime is 47052005191. The reversal of 47052005171 is 17150025074.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47052005171 - 2¹⁰ = 47052004147 is a prime.

It is a super-2 number, since 2×47052005171² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47052005101) 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 3 ways as a sum of consecutive naturals, for example, 500553200 + ... + 500553293.

It is an arithmetic number, because the mean of its divisors is an integer number (12013277928).

Almost surely, 2^47052005171 is an apocalyptic number.

47052005171 is a deficient number, since it is larger than the sum of its proper divisors (1001106541).

47052005171 is a wasteful number, since it uses less digits than its factorization.

47052005171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001106540.

The product of its (nonzero) digits is 9800, while the sum is 32.

The spelling of 47052005171 in words is "forty-seven billion, fifty-two million, five thousand, one hundred seventy-one".