27560980225 has 9 divisors (see below), whose sum is σ = 34176644803. Its totient is φ = 22048120120.

The previous prime is 27560980219. The next prime is 27560980231. The reversal of 27560980225 is 52208906572.

The square root of 27560980225 is 166015.

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

It is an interprime number because it is at equal distance from previous prime (27560980219) and next prime (27560980231).

It can be written as a sum of positive squares in only one way, i.e., 9921952881 + 17639027344 = 99609^2 + 132812^2 .

It is not a de Polignac number, because 27560980225 - 2³ = 27560980217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 813474 + ... + 846676.

Almost surely, 2^27560980225 is an apocalyptic number.

27560980225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27560980225 is the 166015-th square number.

27560980225 is the 83008-th centered octagonal number.

It is an amenable number.

27560980225 is a deficient number, since it is larger than the sum of its proper divisors (6615664578).

27560980225 is an frugal number, since it uses more digits than its factorization.

27560980225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66416 (or 33208 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 27560980225 in words is "twenty-seven billion, five hundred sixty million, nine hundred eighty thousand, two hundred twenty-five".