5566980708025 has 27 divisors (see below), whose sum is σ = 7587833557423. Its totient is φ = 4048618864400.

The previous prime is 5566980707999. The next prime is 5566980708041. The reversal of 5566980708025 is 5208070896655.

It is a happy number.

The square root of 5566980708025 is 2359445.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2004113054889 + 3562867653136 = 1415667^2 + 1887556^2 .

It is not a de Polignac number, because 5566980708025 - 2²⁷ = 5566846490297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 129748026 + ... + 129790924.

Almost surely, 2^{5566980708025} is an apocalyptic number.

5566980708025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5566980708025 is the 2359445-th square number.

5566980708025 is the 1179723-rd centered octagonal number.

It is an amenable number.

5566980708025 is a deficient number, since it is larger than the sum of its proper divisors (2020852849398).

5566980708025 is an frugal number, since it uses more digits than its factorization.

5566980708025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85830 (or 42915 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 61.

The spelling of 5566980708025 in words is "five trillion, five hundred sixty-six billion, nine hundred eighty million, seven hundred eight thousand, twenty-five".