27117205106 has 8 divisors (see below), whose sum is σ = 41342624364. Its totient is φ = 13336330320.

The previous prime is 27117205103. The next prime is 27117205177. The reversal of 27117205106 is 60150271172.

It can be written as a sum of positive squares in 2 ways, for example, as 18764890225 + 8352314881 = 136985^2 + 91391^2 .

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

It is not an unprimeable number, because it can be changed into a prime (27117205103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111135965 + ... + 111136208.

Almost surely, 2^27117205106 is an apocalyptic number.

27117205106 is a deficient number, since it is larger than the sum of its proper divisors (14225419258).

27117205106 is a wasteful number, since it uses less digits than its factorization.

27117205106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222272236.

The product of its (nonzero) digits is 5880, while the sum is 32.

Adding to 27117205106 its reverse (60150271172), we get a palindrome (87267476278).

The spelling of 27117205106 in words is "twenty-seven billion, one hundred seventeen million, two hundred five thousand, one hundred six".