68489225611 has 2 divisors, whose sum is σ = 68489225612. Its totient is φ = 68489225610.

The previous prime is 68489225579. The next prime is 68489225639. The reversal of 68489225611 is 11652298486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68489225611 - 2⁵ = 68489225579 is a prime.

It is not a weakly prime, because it can be changed into another prime (68489225911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34244612805 + 34244612806.

It is an arithmetic number, because the mean of its divisors is an integer number (34244612806).

Almost surely, 2^68489225611 is an apocalyptic number.

68489225611 is a deficient number, since it is larger than the sum of its proper divisors (1).

68489225611 is an equidigital number, since it uses as much as digits as its factorization.

68489225611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 52.

The spelling of 68489225611 in words is "sixty-eight billion, four hundred eighty-nine million, two hundred twenty-five thousand, six hundred eleven".