640560060211 has 8 divisors (see below), whose sum is σ = 641881977120. Its totient is φ = 639239419392.

The previous prime is 640560060199. The next prime is 640560060227. The reversal of 640560060211 is 112060065046.

640560060211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 640560060211 - 2⁷ = 640560060083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (640560060271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689235 + ... + 1325203.

It is an arithmetic number, because the mean of its divisors is an integer number (80235247140).

Almost surely, 2^640560060211 is an apocalyptic number.

640560060211 is a deficient number, since it is larger than the sum of its proper divisors (1321916909).

640560060211 is a wasteful number, since it uses less digits than its factorization.

640560060211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638045.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 640560060211 in words is "six hundred forty billion, five hundred sixty million, sixty thousand, two hundred eleven".