656216011103 has 2 divisors, whose sum is σ = 656216011104. Its totient is φ = 656216011102.

The previous prime is 656216011097. The next prime is 656216011163. The reversal of 656216011103 is 301110612656.

656216011103 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 656216011103 - 2⁶ = 656216011039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 656216011103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656216011163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328108005551 + 328108005552.

It is an arithmetic number, because the mean of its divisors is an integer number (328108005552).

Almost surely, 2^656216011103 is an apocalyptic number.

656216011103 is a deficient number, since it is larger than the sum of its proper divisors (1).

656216011103 is an equidigital number, since it uses as much as digits as its factorization.

656216011103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 656216011103 its reverse (301110612656), we get a palindrome (957326623759).

The spelling of 656216011103 in words is "six hundred fifty-six billion, two hundred sixteen million, eleven thousand, one hundred three".