275055280505 has 8 divisors (see below), whose sum is σ = 341447934600. Its totient is φ = 212456492416.

The previous prime is 275055280501. The next prime is 275055280531. The reversal of 275055280505 is 505082550572.

It can be written as a sum of positive squares in 4 ways, for example, as 18282014521 + 256773265984 = 135211^2 + 506728^2 .

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 275055280505 - 2² = 275055280501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275055280501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948466340 + ... + 948466629.

It is an arithmetic number, because the mean of its divisors is an integer number (42680991825).

Almost surely, 2^275055280505 is an apocalyptic number.

It is an amenable number.

275055280505 is a deficient number, since it is larger than the sum of its proper divisors (66392654095).

275055280505 is a wasteful number, since it uses less digits than its factorization.

275055280505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896933003.

The product of its (nonzero) digits is 700000, while the sum is 44.

The spelling of 275055280505 in words is "two hundred seventy-five billion, fifty-five million, two hundred eighty thousand, five hundred five".