215140030555433 has 2 divisors, whose sum is σ = 215140030555434. Its totient is φ = 215140030555432.

The previous prime is 215140030555361. The next prime is 215140030555451. The reversal of 215140030555433 is 334555030041512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195394911727129 + 19745118828304 = 13978373^2 + 4443548^2 .

It is a cyclic number.

It is not a de Polignac number, because 215140030555433 - 2¹⁸ = 215140030293289 is a prime.

It is not a weakly prime, because it can be changed into another prime (215140030558433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107570015277716 + 107570015277717.

It is an arithmetic number, because the mean of its divisors is an integer number (107570015277717).

Almost surely, 2^{215140030555433} is an apocalyptic number.

It is an amenable number.

215140030555433 is a deficient number, since it is larger than the sum of its proper divisors (1).

215140030555433 is an equidigital number, since it uses as much as digits as its factorization.

215140030555433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 215140030555433 its reverse (334555030041512), we get a palindrome (549695060596945).

The spelling of 215140030555433 in words is "two hundred fifteen trillion, one hundred forty billion, thirty million, five hundred fifty-five thousand, four hundred thirty-three".