5664551728025 has 18 divisors (see below), whose sum is σ = 7413187874382. Its totient is φ = 4293133934400.

The previous prime is 5664551728019. The next prime is 5664551728039. The reversal of 5664551728025 is 5208271554665.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1067661358729 + 4596890369296 = 1033277^2 + 2144036^2 .

It is not a de Polignac number, because 5664551728025 - 2⁴⁰ = 4565040100249 is a prime.

It is a super-3 number, since 3×5664551728025³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 313816556 + ... + 313834605.

It is an arithmetic number, because the mean of its divisors is an integer number (411843770799).

Almost surely, 2^{5664551728025} is an apocalyptic number.

It is an amenable number.

5664551728025 is a deficient number, since it is larger than the sum of its proper divisors (1748636146357).

5664551728025 is a wasteful number, since it uses less digits than its factorization.

5664551728025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627651209 (or 627651185 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 56.

The spelling of 5664551728025 in words is "five trillion, six hundred sixty-four billion, five hundred fifty-one million, seven hundred twenty-eight thousand, twenty-five".