2250205164505 has 4 divisors (see below), whose sum is σ = 2700246197412. Its totient is φ = 1800164131600.

The previous prime is 2250205164481. The next prime is 2250205164527. The reversal of 2250205164505 is 5054615020522.

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 496614774681 + 1753590389824 = 704709^2 + 1324232^2 .

It is not a de Polignac number, because 2250205164505 - 2²⁵ = 2250171610073 is a prime.

It is a super-2 number, since 2×2250205164505² (a number of 26 digits) contains 22 as substring.

It is a Duffinian 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, 225020516446 + ... + 225020516455.

It is an arithmetic number, because the mean of its divisors is an integer number (675061549353).

Almost surely, 2^{2250205164505} is an apocalyptic number.

It is an amenable number.

2250205164505 is a deficient number, since it is larger than the sum of its proper divisors (450041032907).

2250205164505 is an equidigital number, since it uses as much as digits as its factorization.

2250205164505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450041032906.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 2250205164505 in words is "two trillion, two hundred fifty billion, two hundred five million, one hundred sixty-four thousand, five hundred five".