27137560243 has 8 divisors (see below), whose sum is σ = 27207922176. Its totient is φ = 27067240200.

The previous prime is 27137560213. The next prime is 27137560249. The reversal of 27137560243 is 34206573172.

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 27137560243 - 2¹³ = 27137552051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27137560196 and 27137560205.

It is not an unprimeable number, because it can be changed into a prime (27137560249) 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, 1600098 + ... + 1616968.

It is an arithmetic number, because the mean of its divisors is an integer number (3400990272).

Almost surely, 2^27137560243 is an apocalyptic number.

27137560243 is a deficient number, since it is larger than the sum of its proper divisors (70361933).

27137560243 is a wasteful number, since it uses less digits than its factorization.

27137560243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20945.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 27137560243 in words is "twenty-seven billion, one hundred thirty-seven million, five hundred sixty thousand, two hundred forty-three".