25566541330 has 48 divisors (see below), whose sum is σ = 50953273560. Its totient is φ = 9229003520.

The previous prime is 25566541313. The next prime is 25566541333. The reversal of 25566541330 is 3314566552.

It can be written as a sum of positive squares in 4 ways, for example, as 23173668441 + 2392872889 = 152229^2 + 48917^2 .

It is not an unprimeable number, because it can be changed into a prime (25566541333) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 88656 + ... + 242884.

Almost surely, 2^25566541330 is an apocalyptic number.

25566541330 is a deficient number, since it is larger than the sum of its proper divisors (25386732230).

25566541330 is a wasteful number, since it uses less digits than its factorization.

25566541330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154395 (or 154384 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 25566541330 in words is "twenty-five billion, five hundred sixty-six million, five hundred forty-one thousand, three hundred thirty".