106105515161 has 4 divisors (see below), whose sum is σ = 106107147300. Its totient is φ = 106103883024.

The previous prime is 106105515157. The next prime is 106105515221. The reversal of 106105515161 is 161515501601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32083974400 + 74021540761 = 179120^2 + 272069^2 .

It is a cyclic number.

It is not a de Polignac number, because 106105515161 - 2² = 106105515157 is a prime.

It is a super-2 number, since 2×106105515161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (106105515361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714326 + ... + 849983.

It is an arithmetic number, because the mean of its divisors is an integer number (26526786825).

Almost surely, 2^106105515161 is an apocalyptic number.

It is an amenable number.

106105515161 is a deficient number, since it is larger than the sum of its proper divisors (1632139).

106105515161 is an equidigital number, since it uses as much as digits as its factorization.

106105515161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632138.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 106105515161 in words is "one hundred six billion, one hundred five million, five hundred fifteen thousand, one hundred sixty-one".