1171317055 has 8 divisors (see below), whose sum is σ = 1410160752. Its totient is φ = 934000128.

The previous prime is 1171316977. The next prime is 1171317071. The reversal of 1171317055 is 5507131711.

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 1171317055 - 2¹⁵ = 1171284287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380002 + ... + 383071.

It is an arithmetic number, because the mean of its divisors is an integer number (176270094).

Almost surely, 2^1171317055 is an apocalyptic number.

1171317055 is a deficient number, since it is larger than the sum of its proper divisors (238843697).

1171317055 is an equidigital number, since it uses as much as digits as its factorization.

1171317055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763385.

The product of its (nonzero) digits is 3675, while the sum is 31.

The square root of 1171317055 is about 34224.5095655146. The cubic root of 1171317055 is about 1054.1234845187.

Adding to 1171317055 its reverse (5507131711), we get a palindrome (6678448766).

The spelling of 1171317055 in words is "one billion, one hundred seventy-one million, three hundred seventeen thousand, fifty-five".