2775825000805 has 4 divisors (see below), whose sum is σ = 3330990000972. Its totient is φ = 2220660000640.

The previous prime is 2775825000779. The next prime is 2775825000821. The reversal of 2775825000805 is 5080005285772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 800006813761 + 1975818187044 = 894431^2 + 1405638^2 .

It is not a de Polignac number, because 2775825000805 - 2¹¹ = 2775824998757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277582500076 + ... + 277582500085.

It is an arithmetic number, because the mean of its divisors is an integer number (832747500243).

Almost surely, 2^{2775825000805} is an apocalyptic number.

It is an amenable number.

2775825000805 is a deficient number, since it is larger than the sum of its proper divisors (555165000167).

2775825000805 is an equidigital number, since it uses as much as digits as its factorization.

2775825000805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555165000166.

The product of its (nonzero) digits is 1568000, while the sum is 49.

The spelling of 2775825000805 in words is "two trillion, seven hundred seventy-five billion, eight hundred twenty-five million, eight hundred five", and thus it is an aban number.