47145205071 has 12 divisors (see below), whose sum is σ = 69031488448. Its totient is φ = 30999586464.

The previous prime is 47145205057. The next prime is 47145205123. The reversal of 47145205071 is 17050254174.

47145205071 is a `hidden beast` number, since 4 + 7 + 14 + 520 + 50 + 71 = 666.

It is not a de Polignac number, because 47145205071 - 2¹⁰ = 47145204047 is a prime.

It is a super-2 number, since 2×47145205071² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47145205021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35878495 + ... + 35879808.

Almost surely, 2^47145205071 is an apocalyptic number.

47145205071 is a deficient number, since it is larger than the sum of its proper divisors (21886283377).

47145205071 is a wasteful number, since it uses less digits than its factorization.

47145205071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71758382 (or 71758379 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The spelling of 47145205071 in words is "forty-seven billion, one hundred forty-five million, two hundred five thousand, seventy-one".