215330523030401 has 2 divisors, whose sum is σ = 215330523030402. Its totient is φ = 215330523030400.

The previous prime is 215330523030397. The next prime is 215330523030433. The reversal of 215330523030401 is 104030325033512.

215330523030401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (215330523030433) can be obtained adding 215330523030401 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154150202444176 + 61180320586225 = 12415724^2 + 7821785^2 .

It is a cyclic number.

It is not a de Polignac number, because 215330523030401 - 2² = 215330523030397 is a prime.

It is not a weakly prime, because it can be changed into another prime (215330523033401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107665261515200 + 107665261515201.

It is an arithmetic number, because the mean of its divisors is an integer number (107665261515201).

Almost surely, 2^{215330523030401} is an apocalyptic number.

It is an amenable number.

215330523030401 is a deficient number, since it is larger than the sum of its proper divisors (1).

215330523030401 is an equidigital number, since it uses as much as digits as its factorization.

215330523030401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 215330523030401 its reverse (104030325033512), we get a palindrome (319360848063913).

The spelling of 215330523030401 in words is "two hundred fifteen trillion, three hundred thirty billion, five hundred twenty-three million, thirty thousand, four hundred one".