27130454506 has 8 divisors (see below), whose sum is σ = 42098981220. Its totient is φ = 13097460768.

The previous prime is 27130454497. The next prime is 27130454531. The reversal of 27130454506 is 60545403172.

It can be written as a sum of positive squares in 2 ways, for example, as 24945359481 + 2185095025 = 157941^2 + 46745^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 233883171 + ... + 233883286.

Almost surely, 2^27130454506 is an apocalyptic number.

27130454506 is a deficient number, since it is larger than the sum of its proper divisors (14968526714).

27130454506 is a wasteful number, since it uses less digits than its factorization.

27130454506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467766488.

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 27130454506 its reverse (60545403172), we get a palindrome (87675857678).

It can be divided in two parts, 27130 and 454506, that added together give a square (481636 = 694²).

The spelling of 27130454506 in words is "twenty-seven billion, one hundred thirty million, four hundred fifty-four thousand, five hundred six".