1092166128605 has 4 divisors (see below), whose sum is σ = 1310599354332. Its totient is φ = 873732902880.

The previous prime is 1092166128601. The next prime is 1092166128607. The reversal of 1092166128605 is 5068216612901.

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 394229527129 + 697936601476 = 627877^2 + 835426^2 .

It is not a de Polignac number, because 1092166128605 - 2² = 1092166128601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1092166128605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092166128601) 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 3 ways as a sum of consecutive naturals, for example, 109216612856 + ... + 109216612865.

It is an arithmetic number, because the mean of its divisors is an integer number (327649838583).

Almost surely, 2^{1092166128605} is an apocalyptic number.

It is an amenable number.

1092166128605 is a deficient number, since it is larger than the sum of its proper divisors (218433225727).

1092166128605 is an equidigital number, since it uses as much as digits as its factorization.

1092166128605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218433225726.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 1092166128605 in words is "one trillion, ninety-two billion, one hundred sixty-six million, one hundred twenty-eight thousand, six hundred five".