280005025555 has 16 divisors (see below), whose sum is σ = 336871954944. Its totient is φ = 223427407840.

The previous prime is 280005025543. The next prime is 280005025567. The reversal of 280005025555 is 555520500082.

It is an interprime number because it is at equal distance from previous prime (280005025543) and next prime (280005025567).

It is not a de Polignac number, because 280005025555 - 2²⁵ = 279971471123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3372390 + ... + 3454420.

It is an arithmetic number, because the mean of its divisors is an integer number (21054497184).

Almost surely, 2^280005025555 is an apocalyptic number.

280005025555 is a deficient number, since it is larger than the sum of its proper divisors (56866929389).

280005025555 is a wasteful number, since it uses less digits than its factorization.

280005025555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83786.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 280005025555 in words is "two hundred eighty billion, five million, twenty-five thousand, five hundred fifty-five".