280025055003 has 12 divisors (see below), whose sum is σ = 396621417080. Its totient is φ = 175701994752.

The previous prime is 280025055001. The next prime is 280025055019. The reversal of 280025055003 is 300550520082.

It is not a de Polignac number, because 280025055003 - 2¹ = 280025055001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280025055001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161489938 + ... + 161491671.

Almost surely, 2^280025055003 is an apocalyptic number.

280025055003 is a deficient number, since it is larger than the sum of its proper divisors (116596362077).

280025055003 is a wasteful number, since it uses less digits than its factorization.

280025055003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322981646 (or 322981629 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 280025055003 its reverse (300550520082), we get a palindrome (580575575085).

The spelling of 280025055003 in words is "two hundred eighty billion, twenty-five million, fifty-five thousand, three".