68135711052427 has 2 divisors, whose sum is σ = 68135711052428. Its totient is φ = 68135711052426.

The previous prime is 68135711052379. The next prime is 68135711052457. The reversal of 68135711052427 is 72425011753186.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68135711052427 is a prime.

It is not a weakly prime, because it can be changed into another prime (68135711052457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34067855526213 + 34067855526214.

It is an arithmetic number, because the mean of its divisors is an integer number (34067855526214).

Almost surely, 2^{68135711052427} is an apocalyptic number.

68135711052427 is a deficient number, since it is larger than the sum of its proper divisors (1).

68135711052427 is an equidigital number, since it uses as much as digits as its factorization.

68135711052427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 68135711052427 in words is "sixty-eight trillion, one hundred thirty-five billion, seven hundred eleven million, fifty-two thousand, four hundred twenty-seven".