105195396009427 has 2 divisors, whose sum is σ = 105195396009428. Its totient is φ = 105195396009426.

The previous prime is 105195396009359. The next prime is 105195396009497. The reversal of 105195396009427 is 724900693591501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105195396009427 - 2²⁷ = 105195261791699 is a prime.

It is a super-2 number, since 2×105195396009427² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105195396009497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52597698004713 + 52597698004714.

It is an arithmetic number, because the mean of its divisors is an integer number (52597698004714).

Almost surely, 2^{105195396009427} is an apocalyptic number.

105195396009427 is a deficient number, since it is larger than the sum of its proper divisors (1).

105195396009427 is an equidigital number, since it uses as much as digits as its factorization.

105195396009427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18370800, while the sum is 61.

The spelling of 105195396009427 in words is "one hundred five trillion, one hundred ninety-five billion, three hundred ninety-six million, nine thousand, four hundred twenty-seven".