27134317521 has 16 divisors (see below), whose sum is σ = 41285449600. Its totient is φ = 17600637744.

The previous prime is 27134317513. The next prime is 27134317633. The reversal of 27134317521 is 12571343172.

27134317521 is a `hidden beast` number, since 2 + 71 + 34 + 31 + 7 + 521 = 666.

It is not a de Polignac number, because 27134317521 - 2³ = 27134317513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27134357521) 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 15 ways as a sum of consecutive naturals, for example, 13579741 + ... + 13581738.

It is an arithmetic number, because the mean of its divisors is an integer number (2580340600).

Almost surely, 2^27134317521 is an apocalyptic number.

It is an amenable number.

27134317521 is a deficient number, since it is larger than the sum of its proper divisors (14151132079).

27134317521 is a wasteful number, since it uses less digits than its factorization.

27134317521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27161525 (or 27161519 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

It can be divided in two parts, 2713 and 4317521, that added together give a palindrome (4320234).

The spelling of 27134317521 in words is "twenty-seven billion, one hundred thirty-four million, three hundred seventeen thousand, five hundred twenty-one".