47071540571 has 4 divisors (see below), whose sum is σ = 51350771544. Its totient is φ = 42792309600.

The previous prime is 47071540543. The next prime is 47071540573. The reversal of 47071540571 is 17504517074.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47071540571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47071540573) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2139615470 + ... + 2139615491.

It is an arithmetic number, because the mean of its divisors is an integer number (12837692886).

Almost surely, 2^47071540571 is an apocalyptic number.

47071540571 is a deficient number, since it is larger than the sum of its proper divisors (4279230973).

47071540571 is a wasteful number, since it uses less digits than its factorization.

47071540571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279230972.

The product of its (nonzero) digits is 137200, while the sum is 41.

The spelling of 47071540571 in words is "forty-seven billion, seventy-one million, five hundred forty thousand, five hundred seventy-one".