42104312011 has 2 divisors, whose sum is σ = 42104312012. Its totient is φ = 42104312010.

The previous prime is 42104311969. The next prime is 42104312017. The reversal of 42104312011 is 11021340124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42104312011 - 2¹⁹ = 42103787723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42104312011.

It is not a weakly prime, because it can be changed into another prime (42104312017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21052156005 + 21052156006.

It is an arithmetic number, because the mean of its divisors is an integer number (21052156006).

Almost surely, 2^42104312011 is an apocalyptic number.

42104312011 is a deficient number, since it is larger than the sum of its proper divisors (1).

42104312011 is an equidigital number, since it uses as much as digits as its factorization.

42104312011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 42104312011 its reverse (11021340124), we get a palindrome (53125652135).

The spelling of 42104312011 in words is "forty-two billion, one hundred four million, three hundred twelve thousand, eleven".