10505050565161 has 16 divisors (see below), whose sum is σ = 10556920810368. Its totient is φ = 10453343846400.

The previous prime is 10505050565129. The next prime is 10505050565167. The reversal of 10505050565161 is 16156505050501.

It is a cyclic number.

It is not a de Polignac number, because 10505050565161 - 2⁵ = 10505050565129 is a prime.

It is a super-2 number, since 2×10505050565161² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10505050565167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263020585 + ... + 263060521.

It is an arithmetic number, because the mean of its divisors is an integer number (659807550648).

Almost surely, 2^{10505050565161} is an apocalyptic number.

It is an amenable number.

10505050565161 is a deficient number, since it is larger than the sum of its proper divisors (51870245207).

10505050565161 is an equidigital number, since it uses as much as digits as its factorization.

10505050565161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41952.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 10505050565161 in words is "ten trillion, five hundred five billion, fifty million, five hundred sixty-five thousand, one hundred sixty-one".