27155104265 has 8 divisors (see below), whose sum is σ = 32601796488. Its totient is φ = 21713635840.

The previous prime is 27155104231. The next prime is 27155104283. The reversal of 27155104265 is 56240155172.

It can be written as a sum of positive squares in 4 ways, for example, as 19321 + 27155084944 = 139^2 + 164788^2 .

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

It is not a de Polignac number, because 27155104265 - 2⁶ = 27155104201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294502 + ... + 1315311.

It is an arithmetic number, because the mean of its divisors is an integer number (4075224561).

Almost surely, 2^27155104265 is an apocalyptic number.

It is an amenable number.

27155104265 is a deficient number, since it is larger than the sum of its proper divisors (5446692223).

27155104265 is a wasteful number, since it uses less digits than its factorization.

27155104265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611899.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 27155104265 in words is "twenty-seven billion, one hundred fifty-five million, one hundred four thousand, two hundred sixty-five".