1171067166485 has 4 divisors (see below), whose sum is σ = 1405280599788. Its totient is φ = 936853733184.

The previous prime is 1171067166473. The next prime is 1171067166509. The reversal of 1171067166485 is 5846617601711.

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 740931879076 + 430135287409 = 860774^2 + 655847^2 .

It is a cyclic number.

It is not a de Polignac number, because 1171067166485 - 2⁶ = 1171067166421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117106716644 + ... + 117106716653.

It is an arithmetic number, because the mean of its divisors is an integer number (351320149947).

Almost surely, 2^{1171067166485} is an apocalyptic number.

It is an amenable number.

1171067166485 is a deficient number, since it is larger than the sum of its proper divisors (234213433303).

1171067166485 is an equidigital number, since it uses as much as digits as its factorization.

1171067166485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234213433302.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 1171067166485 in words is "one trillion, one hundred seventy-one billion, sixty-seven million, one hundred sixty-six thousand, four hundred eighty-five".