27505055275 has 24 divisors (see below), whose sum is σ = 34363872000. Its totient is φ = 21838387200.

The previous prime is 27505055273. The next prime is 27505055317. The reversal of 27505055275 is 57255050572.

It is not a de Polignac number, because 27505055275 - 2¹ = 27505055273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27505055273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2137561 + ... + 2150389.

It is an arithmetic number, because the mean of its divisors is an integer number (1431828000).

Almost surely, 2^27505055275 is an apocalyptic number.

27505055275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27505055275 is a deficient number, since it is larger than the sum of its proper divisors (6858816725).

27505055275 is a wasteful number, since it uses less digits than its factorization.

27505055275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13479 (or 13474 counting only the distinct ones).

The product of its (nonzero) digits is 612500, while the sum is 43.

The spelling of 27505055275 in words is "twenty-seven billion, five hundred five million, fifty-five thousand, two hundred seventy-five".