61030268611321 has 2 divisors, whose sum is σ = 61030268611322. Its totient is φ = 61030268611320.

The previous prime is 61030268611289. The next prime is 61030268611387. The reversal of 61030268611321 is 12311686203016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48716212090000 + 12314056521321 = 6979700^2 + 3509139^2 .

It is a cyclic number.

It is not a de Polignac number, because 61030268611321 - 2⁵ = 61030268611289 is a prime.

It is not a weakly prime, because it can be changed into another prime (61030268611391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30515134305660 + 30515134305661.

It is an arithmetic number, because the mean of its divisors is an integer number (30515134305661).

Almost surely, 2^{61030268611321} is an apocalyptic number.

It is an amenable number.

61030268611321 is a deficient number, since it is larger than the sum of its proper divisors (1).

61030268611321 is an equidigital number, since it uses as much as digits as its factorization.

61030268611321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 61030268611321 in words is "sixty-one trillion, thirty billion, two hundred sixty-eight million, six hundred eleven thousand, three hundred twenty-one".