42415487911 has 2 divisors, whose sum is σ = 42415487912. Its totient is φ = 42415487910.

The previous prime is 42415487909. The next prime is 42415487941. The reversal of 42415487911 is 11978451424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42415487911 - 2¹ = 42415487909 is a prime.

It is a super-2 number, since 2×42415487911² (a number of 22 digits) contains 22 as substring.

Together with 42415487909, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42415487941) 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, 21207743955 + 21207743956.

It is an arithmetic number, because the mean of its divisors is an integer number (21207743956).

Almost surely, 2^42415487911 is an apocalyptic number.

42415487911 is a deficient number, since it is larger than the sum of its proper divisors (1).

42415487911 is an equidigital number, since it uses as much as digits as its factorization.

42415487911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 46.

The spelling of 42415487911 in words is "forty-two billion, four hundred fifteen million, four hundred eighty-seven thousand, nine hundred eleven".