2500055002805 has 4 divisors (see below), whose sum is σ = 3000066003372. Its totient is φ = 2000044002240.

The previous prime is 2500055002759. The next prime is 2500055002843. The reversal of 2500055002805 is 5082005500052.

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 1525852444516 + 974202558289 = 1235254^2 + 987017^2 .

It is not a de Polignac number, because 2500055002805 - 2³⁴ = 2482875133621 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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250005500276 + ... + 250005500285.

It is an arithmetic number, because the mean of its divisors is an integer number (750016500843).

Almost surely, 2^{2500055002805} is an apocalyptic number.

It is an amenable number.

2500055002805 is a deficient number, since it is larger than the sum of its proper divisors (500011000567).

2500055002805 is an equidigital number, since it uses as much as digits as its factorization.

2500055002805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500011000566.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 2500055002805 in words is "two trillion, five hundred billion, fifty-five million, two thousand, eight hundred five".