10505016166111 has 2 divisors, whose sum is σ = 10505016166112. Its totient is φ = 10505016166110.

The previous prime is 10505016166109. The next prime is 10505016166133. The reversal of 10505016166111 is 11166161050501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10505016166111 - 2¹ = 10505016166109 is a prime.

It is a super-2 number, since 2×10505016166111² (a number of 27 digits) contains 22 as substring.

Together with 10505016166109, 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 (10505016166171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252508083055 + 5252508083056.

It is an arithmetic number, because the mean of its divisors is an integer number (5252508083056).

Almost surely, 2^{10505016166111} is an apocalyptic number.

10505016166111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10505016166111 is an equidigital number, since it uses as much as digits as its factorization.

10505016166111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 10505016166111 in words is "ten trillion, five hundred five billion, sixteen million, one hundred sixty-six thousand, one hundred eleven".