2056373487605 has 4 divisors (see below), whose sum is σ = 2467648185132. Its totient is φ = 1645098790080.

The previous prime is 2056373487587. The next prime is 2056373487647. The reversal of 2056373487605 is 5067843736502.

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 652229066449 + 1404144421156 = 807607^2 + 1184966^2 .

It is not a de Polignac number, because 2056373487605 - 2¹⁰ = 2056373486581 is a prime.

It is a super-3 number, since 3×2056373487605³ (a number of 38 digits) contains 333 as substring.

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, 205637348756 + ... + 205637348765.

It is an arithmetic number, because the mean of its divisors is an integer number (616912046283).

Almost surely, 2^{2056373487605} is an apocalyptic number.

It is an amenable number.

2056373487605 is a deficient number, since it is larger than the sum of its proper divisors (411274697527).

2056373487605 is an equidigital number, since it uses as much as digits as its factorization.

2056373487605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411274697526.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 2056373487605 in words is "two trillion, fifty-six billion, three hundred seventy-three million, four hundred eighty-seven thousand, six hundred five".