27315630225 has 36 divisors (see below), whose sum is σ = 52688821276. Its totient is φ = 13447693440.

The previous prime is 27315630211. The next prime is 27315630227. The reversal of 27315630225 is 52203651372.

27315630225 is a `hidden beast` number, since 2 + 7 + 3 + 15 + 630 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3928657041 + 23386973184 = 62679^2 + 152928^2 .

It is not a de Polignac number, because 27315630225 - 2¹⁴ = 27315613841 is a prime.

It is a super-2 number, since 2×27315630225² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27315630225.

It is not an unprimeable number, because it can be changed into a prime (27315630227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4666414 + ... + 4672263.

Almost surely, 2^27315630225 is an apocalyptic number.

27315630225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27315630225 is a deficient number, since it is larger than the sum of its proper divisors (25373191051).

27315630225 is a wasteful number, since it uses less digits than its factorization.

27315630225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338706 (or 9338698 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 27315630225 in words is "twenty-seven billion, three hundred fifteen million, six hundred thirty thousand, two hundred twenty-five".