56352125009 has 2 divisors, whose sum is σ = 56352125010. Its totient is φ = 56352125008.

The previous prime is 56352124999. The next prime is 56352125047. The reversal of 56352125009 is 90052125365.

It is an a-pointer prime, because the next prime (56352125047) can be obtained adding 56352125009 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34837102609 + 21515022400 = 186647^2 + 146680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56352125009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56352125309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28176062504 + 28176062505.

It is an arithmetic number, because the mean of its divisors is an integer number (28176062505).

Almost surely, 2^56352125009 is an apocalyptic number.

It is an amenable number.

56352125009 is a deficient number, since it is larger than the sum of its proper divisors (1).

56352125009 is an equidigital number, since it uses as much as digits as its factorization.

56352125009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 56352125009 in words is "fifty-six billion, three hundred fifty-two million, one hundred twenty-five thousand, nine".