1165141170655 has 32 divisors (see below), whose sum is σ = 1743453831168. Its totient is φ = 726204441600.

The previous prime is 1165141170647. The next prime is 1165141170673. The reversal of 1165141170655 is 5560711415611.

It is not a de Polignac number, because 1165141170655 - 2³ = 1165141170647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2173039 + ... + 2655631.

It is an arithmetic number, because the mean of its divisors is an integer number (54482932224).

Almost surely, 2^{1165141170655} is an apocalyptic number.

1165141170655 is a deficient number, since it is larger than the sum of its proper divisors (578312660513).

1165141170655 is a wasteful number, since it uses less digits than its factorization.

1165141170655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488887.

The product of its (nonzero) digits is 126000, while the sum is 43.

The spelling of 1165141170655 in words is "one trillion, one hundred sixty-five billion, one hundred forty-one million, one hundred seventy thousand, six hundred fifty-five".