68517011 has 2 divisors, whose sum is σ = 68517012. Its totient is φ = 68517010.

The previous prime is 68516963. The next prime is 68517013. The reversal of 68517011 is 11071586.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68517011 - 2¹⁰ = 68515987 is a prime.

Together with 68517013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68517013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34258505 + 34258506.

It is an arithmetic number, because the mean of its divisors is an integer number (34258506).

Almost surely, 2^68517011 is an apocalyptic number.

68517011 is a deficient number, since it is larger than the sum of its proper divisors (1).

68517011 is an equidigital number, since it uses as much as digits as its factorization.

68517011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 68517011 is about 8277.5002869224. The cubic root of 68517011 is about 409.1973410183.

Adding to 68517011 its reverse (11071586), we get a palindrome (79588597).

The spelling of 68517011 in words is "sixty-eight million, five hundred seventeen thousand, eleven".