105805854071 has 2 divisors, whose sum is σ = 105805854072. Its totient is φ = 105805854070.

The previous prime is 105805854061. The next prime is 105805854131. The reversal of 105805854071 is 170458508501.

It is a weak prime.

It is an emirp because it is prime and its reverse (170458508501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105805854071 - 2¹⁰ = 105805853047 is a prime.

It is a super-2 number, since 2×105805854071² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105805854061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52902927035 + 52902927036.

It is an arithmetic number, because the mean of its divisors is an integer number (52902927036).

Almost surely, 2^105805854071 is an apocalyptic number.

105805854071 is a deficient number, since it is larger than the sum of its proper divisors (1).

105805854071 is an equidigital number, since it uses as much as digits as its factorization.

105805854071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224000, while the sum is 44.

The spelling of 105805854071 in words is "one hundred five billion, eight hundred five million, eight hundred fifty-four thousand, seventy-one".