58611266221 has 2 divisors, whose sum is σ = 58611266222. Its totient is φ = 58611266220.

The previous prime is 58611266171. The next prime is 58611266237. The reversal of 58611266221 is 12266211685.

58611266221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40728890596 + 17882375625 = 201814^2 + 133725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58611266221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58611266621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29305633110 + 29305633111.

It is an arithmetic number, because the mean of its divisors is an integer number (29305633111).

Almost surely, 2^58611266221 is an apocalyptic number.

It is an amenable number.

58611266221 is a deficient number, since it is larger than the sum of its proper divisors (1).

58611266221 is an equidigital number, since it uses as much as digits as its factorization.

58611266221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The spelling of 58611266221 in words is "fifty-eight billion, six hundred eleven million, two hundred sixty-six thousand, two hundred twenty-one".