2805005525005 has 4 divisors (see below), whose sum is σ = 3366006630012. Its totient is φ = 2244004420000.

The previous prime is 2805005524973. The next prime is 2805005525059. The reversal of 2805005525005 is 5005255005082.

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 292644213156 + 2512361311849 = 540966^2 + 1585043^2 .

It is not a de Polignac number, because 2805005525005 - 2⁵ = 2805005524973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280500552496 + ... + 280500552505.

It is an arithmetic number, because the mean of its divisors is an integer number (841501657503).

Almost surely, 2^{2805005525005} is an apocalyptic number.

It is an amenable number.

2805005525005 is a deficient number, since it is larger than the sum of its proper divisors (561001105007).

2805005525005 is an equidigital number, since it uses as much as digits as its factorization.

2805005525005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561001105006.

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

The spelling of 2805005525005 in words is "two trillion, eight hundred five billion, five million, five hundred twenty-five thousand, five".