1361117085 has 8 divisors (see below), whose sum is σ = 2177787360. Its totient is φ = 725929104.

The previous prime is 1361117081. The next prime is 1361117089. The reversal of 1361117085 is 5807111631.

It is an interprime number because it is at equal distance from previous prime (1361117081) and next prime (1361117089).

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

It is not a de Polignac number, because 1361117085 - 2² = 1361117081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361117081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45370555 + ... + 45370584.

It is an arithmetic number, because the mean of its divisors is an integer number (272223420).

Almost surely, 2^1361117085 is an apocalyptic number.

1361117085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1361117085 is a deficient number, since it is larger than the sum of its proper divisors (816670275).

1361117085 is an equidigital number, since it uses as much as digits as its factorization.

1361117085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90741147.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 1361117085 is about 36893.3203303796. The cubic root of 1361117085 is about 1108.2349148606.

The spelling of 1361117085 in words is "one billion, three hundred sixty-one million, one hundred seventeen thousand, eighty-five".