104256042642407 has 2 divisors, whose sum is σ = 104256042642408. Its totient is φ = 104256042642406.

The previous prime is 104256042642397. The next prime is 104256042642439. The reversal of 104256042642407 is 704246240652401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104256042642407 - 2⁸ = 104256042642151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104256042642457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52128021321203 + 52128021321204.

It is an arithmetic number, because the mean of its divisors is an integer number (52128021321204).

Almost surely, 2^{104256042642407} is an apocalyptic number.

104256042642407 is a deficient number, since it is larger than the sum of its proper divisors (1).

104256042642407 is an equidigital number, since it uses as much as digits as its factorization.

104256042642407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 47.

The spelling of 104256042642407 in words is "one hundred four trillion, two hundred fifty-six billion, forty-two million, six hundred forty-two thousand, four hundred seven".