8450381420111 has 2 divisors, whose sum is σ = 8450381420112. Its totient is φ = 8450381420110.

The previous prime is 8450381420059. The next prime is 8450381420171. The reversal of 8450381420111 is 1110241830548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8450381420111 - 2³⁴ = 8433201550927 is a prime.

It is a super-2 number, since 2×8450381420111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8450381420171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4225190710055 + 4225190710056.

It is an arithmetic number, because the mean of its divisors is an integer number (4225190710056).

Almost surely, 2^{8450381420111} is an apocalyptic number.

8450381420111 is a deficient number, since it is larger than the sum of its proper divisors (1).

8450381420111 is an equidigital number, since it uses as much as digits as its factorization.

8450381420111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 38.

The spelling of 8450381420111 in words is "eight trillion, four hundred fifty billion, three hundred eighty-one million, four hundred twenty thousand, one hundred eleven".