5056561205 has 4 divisors (see below), whose sum is σ = 6067873452. Its totient is φ = 4045248960.

The previous prime is 5056561189. The next prime is 5056561217. The reversal of 5056561205 is 5021656505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5021656505 = 5 ⋅1004331301.

It can be written as a sum of positive squares in 2 ways, for example, as 3695910436 + 1360650769 = 60794^2 + 36887^2 .

It is not a de Polignac number, because 5056561205 - 2⁴ = 5056561189 is a prime.

It is a super-2 number, since 2×5056561205² = 51137622439822104050, which contains 22 as substring.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505656116 + ... + 505656125.

It is an arithmetic number, because the mean of its divisors is an integer number (1516968363).

Almost surely, 2^5056561205 is an apocalyptic number.

It is an amenable number.

5056561205 is a deficient number, since it is larger than the sum of its proper divisors (1011312247).

5056561205 is a wasteful number, since it uses less digits than its factorization.

5056561205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011312246.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 5056561205 is about 71109.5015099951. The cubic root of 5056561205 is about 1716.3996716547.

The spelling of 5056561205 in words is "five billion, fifty-six million, five hundred sixty-one thousand, two hundred five".