2780275052803 has 16 divisors (see below), whose sum is σ = 2929582080000. Its totient is φ = 2631266716032.

The previous prime is 2780275052801. The next prime is 2780275052833. The reversal of 2780275052803 is 3082505720872.

It is a cyclic number.

It is not a de Polignac number, because 2780275052803 - 2¹ = 2780275052801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2780275052801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128711598 + ... + 128733196.

It is an arithmetic number, because the mean of its divisors is an integer number (183098880000).

Almost surely, 2^{2780275052803} is an apocalyptic number.

2780275052803 is a deficient number, since it is larger than the sum of its proper divisors (149307027197).

2780275052803 is a wasteful number, since it uses less digits than its factorization.

2780275052803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28194.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 2780275052803 in words is "two trillion, seven hundred eighty billion, two hundred seventy-five million, fifty-two thousand, eight hundred three".