27030642103565 has 8 divisors (see below), whose sum is σ = 32436823677720. Its totient is φ = 21624478247232.

The previous prime is 27030642103561. The next prime is 27030642103571. The reversal of 27030642103565 is 56530124603072.

It can be written as a sum of positive squares in 4 ways, for example, as 922333585924 + 26108308517641 = 960382^2 + 5109629^2 .

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 27030642103565 - 2² = 27030642103561 is a prime.

It is a super-2 number, since 2×27030642103565² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27030642103561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803210 + ... + 7396379.

It is an arithmetic number, because the mean of its divisors is an integer number (4054602959715).

Almost surely, 2^{27030642103565} is an apocalyptic number.

It is an amenable number.

27030642103565 is a deficient number, since it is larger than the sum of its proper divisors (5406181574155).

27030642103565 is an equidigital number, since it uses as much as digits as its factorization.

27030642103565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8858911.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 27030642103565 in words is "twenty-seven trillion, thirty billion, six hundred forty-two million, one hundred three thousand, five hundred sixty-five".