42405241111 has 2 divisors, whose sum is σ = 42405241112. Its totient is φ = 42405241110.

The previous prime is 42405241051. The next prime is 42405241121. The reversal of 42405241111 is 11114250424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42405241111 - 2²⁹ = 41868370199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42405241121) 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, 21202620555 + 21202620556.

It is an arithmetic number, because the mean of its divisors is an integer number (21202620556).

Almost surely, 2^42405241111 is an apocalyptic number.

42405241111 is a deficient number, since it is larger than the sum of its proper divisors (1).

42405241111 is an equidigital number, since it uses as much as digits as its factorization.

42405241111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 42405241111 its reverse (11114250424), we get a palindrome (53519491535).

The spelling of 42405241111 in words is "forty-two billion, four hundred five million, two hundred forty-one thousand, one hundred eleven".