27100001305 has 8 divisors (see below), whose sum is σ = 35021540232. Its totient is φ = 20012308608.

The previous prime is 27100001297. The next prime is 27100001311. The reversal of 27100001305 is 50310000172.

It can be written as a sum of positive squares in 4 ways, for example, as 736633881 + 26363367424 = 27141^2 + 162368^2 .

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 27100001305 - 2³ = 27100001297 is a prime.

It is a Duffinian 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, 208461484 + ... + 208461613.

It is an arithmetic number, because the mean of its divisors is an integer number (4377692529).

Almost surely, 2^27100001305 is an apocalyptic number.

It is an amenable number.

27100001305 is a deficient number, since it is larger than the sum of its proper divisors (7921538927).

27100001305 is a wasteful number, since it uses less digits than its factorization.

27100001305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416923115.

The product of its (nonzero) digits is 210, while the sum is 19.

Adding to 27100001305 its reverse (50310000172), we get a palindrome (77410001477).

The spelling of 27100001305 in words is "twenty-seven billion, one hundred million, one thousand, three hundred five".