1171105655 has 8 divisors (see below), whose sum is σ = 1405806000. Its totient is φ = 936565056.

The previous prime is 1171105609. The next prime is 1171105669. The reversal of 1171105655 is 5565011711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1171105655 - 2⁸ = 1171105399 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 23165 + ... + 53654.

It is an arithmetic number, because the mean of its divisors is an integer number (175725750).

Almost surely, 2^1171105655 is an apocalyptic number.

1171105655 is a deficient number, since it is larger than the sum of its proper divisors (234700345).

1171105655 is an equidigital number, since it uses as much as digits as its factorization.

1171105655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79873.

The product of its (nonzero) digits is 5250, while the sum is 32.

The square root of 1171105655 is about 34221.4209962123. The cubic root of 1171105655 is about 1054.0600644250.

The spelling of 1171105655 in words is "one billion, one hundred seventy-one million, one hundred five thousand, six hundred fifty-five".