1171067166515 has 4 divisors (see below), whose sum is σ = 1405280599824. Its totient is φ = 936853733208.

The previous prime is 1171067166509. The next prime is 1171067166527. The reversal of 1171067166515 is 5156617601711.

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

It is a cyclic number.

It is not a de Polignac number, because 1171067166515 - 2²⁸ = 1170798731059 is a prime.

It is a super-3 number, since 3×1171067166515³ (a number of 37 digits) contains 333 as substring.

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 1171067166515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117106716647 + ... + 117106716656.

It is an arithmetic number, because the mean of its divisors is an integer number (351320149956).

Almost surely, 2^{1171067166515} is an apocalyptic number.

1171067166515 is a deficient number, since it is larger than the sum of its proper divisors (234213433309).

1171067166515 is an equidigital number, since it uses as much as digits as its factorization.

1171067166515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234213433308.

The product of its (nonzero) digits is 264600, while the sum is 47.

The spelling of 1171067166515 in words is "one trillion, one hundred seventy-one billion, sixty-seven million, one hundred sixty-six thousand, five hundred fifteen".