52640443211 has 2 divisors, whose sum is σ = 52640443212. Its totient is φ = 52640443210.

The previous prime is 52640443201. The next prime is 52640443223. The reversal of 52640443211 is 11234404625.

52640443211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52640443211 - 2⁶ = 52640443147 is a prime.

It is a super-2 number, since 2×52640443211² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52640443201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26320221605 + 26320221606.

It is an arithmetic number, because the mean of its divisors is an integer number (26320221606).

Almost surely, 2^52640443211 is an apocalyptic number.

52640443211 is a deficient number, since it is larger than the sum of its proper divisors (1).

52640443211 is an equidigital number, since it uses as much as digits as its factorization.

52640443211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 52640443211 its reverse (11234404625), we get a palindrome (63874847836).

The spelling of 52640443211 in words is "fifty-two billion, six hundred forty million, four hundred forty-three thousand, two hundred eleven".