280005530275 has 6 divisors (see below), whose sum is σ = 347206857572. Its totient is φ = 224004424200.

The previous prime is 280005530267. The next prime is 280005530309. The reversal of 280005530275 is 572035500082.

It is not a de Polignac number, because 280005530275 - 2³ = 280005530267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5600110581 + ... + 5600110630.

Almost surely, 2^280005530275 is an apocalyptic number.

280005530275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

280005530275 is a deficient number, since it is larger than the sum of its proper divisors (67201327297).

280005530275 is a wasteful number, since it uses less digits than its factorization.

280005530275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11200221221 (or 11200221216 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 280005530275 in words is "two hundred eighty billion, five million, five hundred thirty thousand, two hundred seventy-five".