27000009000001 has 16 divisors (see below), whose sum is σ = 27955710306304. Its totient is φ = 26056313829504.

The previous prime is 27000008999941. The next prime is 27000009000043. The reversal of 27000009000001 is 10000090000072.

It is a cyclic number.

It is not a de Polignac number, because 27000009000001 - 2²³ = 27000000611393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27000009003001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16477246 + ... + 18041608.

It is an arithmetic number, because the mean of its divisors is an integer number (1747231894144).

Almost surely, 2^{27000009000001} is an apocalyptic number.

27000009000001 is the 3000001-st hex number.

It is an amenable number.

27000009000001 is a deficient number, since it is larger than the sum of its proper divisors (955701306303).

27000009000001 is a wasteful number, since it uses less digits than its factorization.

27000009000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568200.

The product of its (nonzero) digits is 126, while the sum is 19.

Adding to 27000009000001 its reverse (10000090000072), we get a palindrome (37000099000073).

The spelling of 27000009000001 in words is "twenty-seven trillion, nine million, one", and thus it is an aban number and an uban number.