215153330057 has 2 divisors, whose sum is σ = 215153330058. Its totient is φ = 215153330056.

The previous prime is 215153330033. The next prime is 215153330059. The reversal of 215153330057 is 750033351512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159920809801 + 55232520256 = 399901^2 + 235016^2 .

It is a cyclic number.

It is not a de Polignac number, because 215153330057 - 2¹⁴ = 215153313673 is a prime.

Together with 215153330059, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 215153329999 and 215153330026.

It is not a weakly prime, because it can be changed into another prime (215153330059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107576665028 + 107576665029.

It is an arithmetic number, because the mean of its divisors is an integer number (107576665029).

Almost surely, 2^215153330057 is an apocalyptic number.

It is an amenable number.

215153330057 is a deficient number, since it is larger than the sum of its proper divisors (1).

215153330057 is an equidigital number, since it uses as much as digits as its factorization.

215153330057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 35.

Adding to 215153330057 its reverse (750033351512), we get a palindrome (965186681569).

The spelling of 215153330057 in words is "two hundred fifteen billion, one hundred fifty-three million, three hundred thirty thousand, fifty-seven".