104061261636139 has 2 divisors, whose sum is σ = 104061261636140. Its totient is φ = 104061261636138.

The previous prime is 104061261636133. The next prime is 104061261636149. The reversal of 104061261636139 is 931636162160401.

It is a weak prime.

It is an emirp because it is prime and its reverse (931636162160401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104061261636139 - 2⁹ = 104061261635627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104061261636092 and 104061261636101.

It is not a weakly prime, because it can be changed into another prime (104061261636133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52030630818069 + 52030630818070.

It is an arithmetic number, because the mean of its divisors is an integer number (52030630818070).

Almost surely, 2^{104061261636139} is an apocalyptic number.

104061261636139 is a deficient number, since it is larger than the sum of its proper divisors (1).

104061261636139 is an equidigital number, since it uses as much as digits as its factorization.

104061261636139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 104061261636139 in words is "one hundred four trillion, sixty-one billion, two hundred sixty-one million, six hundred thirty-six thousand, one hundred thirty-nine".