6571005012 has 96 divisors (see below), whose sum is σ = 20014296960. Its totient is φ = 1838039040.

The previous prime is 6571004989. The next prime is 6571005071. The reversal of 6571005012 is 2105001756.

6571005012 is a `hidden beast` number, since 6 + 57 + 100 + 501 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197293 + ... + 228180.

It is an arithmetic number, because the mean of its divisors is an integer number (208482260).

Almost surely, 2^6571005012 is an apocalyptic number.

It is an amenable number.

6571005012 is an abundant number, since it is smaller than the sum of its proper divisors (13443291948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6571005012 is a wasteful number, since it uses less digits than its factorization.

6571005012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425510 (or 425502 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 6571005012 is about 81061.7358067294. The cubic root of 6571005012 is about 1873.0265470131.

Adding to 6571005012 its reverse (2105001756), we get a palindrome (8676006768).

The spelling of 6571005012 in words is "six billion, five hundred seventy-one million, five thousand, twelve".