2555216005 has 8 divisors (see below), whose sum is σ = 3103202592. Its totient is φ = 2019543888.

The previous prime is 2555215963. The next prime is 2555216009. The reversal of 2555216005 is 5006125552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2555216005 - 2¹⁹ = 2554691717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555216009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3078159 + ... + 3078988.

It is an arithmetic number, because the mean of its divisors is an integer number (387900324).

Almost surely, 2^2555216005 is an apocalyptic number.

It is an amenable number.

2555216005 is a deficient number, since it is larger than the sum of its proper divisors (547986587).

2555216005 is an equidigital number, since it uses as much as digits as its factorization.

2555216005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157235.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 2555216005 is about 50549.1444536898. The cubic root of 2555216005 is about 1367.1280888569.

The spelling of 2555216005 in words is "two billion, five hundred fifty-five million, two hundred sixteen thousand, five".