105505011071 has 2 divisors, whose sum is σ = 105505011072. Its totient is φ = 105505011070.

The previous prime is 105505011047. The next prime is 105505011121. The reversal of 105505011071 is 170110505501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105505011071 - 2¹⁸ = 105504748927 is a prime.

It is a super-2 number, since 2×105505011071² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105505011071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105505011971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52752505535 + 52752505536.

It is an arithmetic number, because the mean of its divisors is an integer number (52752505536).

Almost surely, 2^105505011071 is an apocalyptic number.

105505011071 is a deficient number, since it is larger than the sum of its proper divisors (1).

105505011071 is an equidigital number, since it uses as much as digits as its factorization.

105505011071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 875, while the sum is 26.

Adding to 105505011071 its reverse (170110505501), we get a palindrome (275615516572).

The spelling of 105505011071 in words is "one hundred five billion, five hundred five million, eleven thousand, seventy-one".