215043633061 has 2 divisors, whose sum is σ = 215043633062. Its totient is φ = 215043633060.

The previous prime is 215043633053. The next prime is 215043633137. The reversal of 215043633061 is 160336340512.

215043633061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211761030625 + 3282602436 = 460175^2 + 57294^2 .

It is a cyclic number.

It is not a de Polignac number, because 215043633061 - 2³ = 215043633053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215043639061) 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 as a sum of consecutive naturals, namely, 107521816530 + 107521816531.

It is an arithmetic number, because the mean of its divisors is an integer number (107521816531).

Almost surely, 2^215043633061 is an apocalyptic number.

It is an amenable number.

215043633061 is a deficient number, since it is larger than the sum of its proper divisors (1).

215043633061 is an equidigital number, since it uses as much as digits as its factorization.

215043633061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 215043633061 its reverse (160336340512), we get a palindrome (375379973573).

The spelling of 215043633061 in words is "two hundred fifteen billion, forty-three million, six hundred thirty-three thousand, sixty-one".