2780280530555 has 8 divisors (see below), whose sum is σ = 3639639967344. Its totient is φ = 2022022204000.

The previous prime is 2780280530549. The next prime is 2780280530561. The reversal of 2780280530555 is 5550350820872.

2780280530555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2780280530549) and next prime (2780280530561).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2780280530555 - 2¹⁴ = 2780280514171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25275277496 + ... + 25275277605.

It is an arithmetic number, because the mean of its divisors is an integer number (454954995918).

Almost surely, 2^{2780280530555} is an apocalyptic number.

2780280530555 is a deficient number, since it is larger than the sum of its proper divisors (859359436789).

2780280530555 is a wasteful number, since it uses less digits than its factorization.

2780280530555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50550555117.

The product of its (nonzero) digits is 3360000, while the sum is 50.

The spelling of 2780280530555 in words is "two trillion, seven hundred eighty billion, two hundred eighty million, five hundred thirty thousand, five hundred fifty-five".