6126561406223 has 2 divisors, whose sum is σ = 6126561406224. Its totient is φ = 6126561406222.

The previous prime is 6126561406211. The next prime is 6126561406249. The reversal of 6126561406223 is 3226041656216.

It is a happy number.

6126561406223 is digitally balanced in base 3, 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 a de Polignac number, because none of the positive numbers 2^k-6126561406223 is a prime.

It is a super-2 number, since 2×6126561406223² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6126561406523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3063280703111 + 3063280703112.

It is an arithmetic number, because the mean of its divisors is an integer number (3063280703112).

Almost surely, 2^{6126561406223} is an apocalyptic number.

6126561406223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6126561406223 is an equidigital number, since it uses as much as digits as its factorization.

6126561406223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 6126561406223 in words is "six trillion, one hundred twenty-six billion, five hundred sixty-one million, four hundred six thousand, two hundred twenty-three".