27566472225 has 12 divisors (see below), whose sum is σ = 45576567536. Its totient is φ = 14702118480.

The previous prime is 27566472217. The next prime is 27566472253. The reversal of 27566472225 is 52227466572.

It is not a de Polignac number, because 27566472225 - 2³ = 27566472217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183776407 + ... + 183776556.

Almost surely, 2^27566472225 is an apocalyptic number.

27566472225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27566472225 is a deficient number, since it is larger than the sum of its proper divisors (18010095311).

27566472225 is a wasteful number, since it uses less digits than its factorization.

27566472225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367552976 (or 367552971 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 48.

The spelling of 27566472225 in words is "twenty-seven billion, five hundred sixty-six million, four hundred seventy-two thousand, two hundred twenty-five".