215044145263 has 2 divisors, whose sum is σ = 215044145264. Its totient is φ = 215044145262.

The previous prime is 215044145227. The next prime is 215044145339. The reversal of 215044145263 is 362541440512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 215044145263 - 2³⁷ = 77605191791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215044145663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107522072631 + 107522072632.

It is an arithmetic number, because the mean of its divisors is an integer number (107522072632).

Almost surely, 2^215044145263 is an apocalyptic number.

215044145263 is a deficient number, since it is larger than the sum of its proper divisors (1).

215044145263 is an equidigital number, since it uses as much as digits as its factorization.

215044145263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 215044145263 its reverse (362541440512), we get a palindrome (577585585775).

The spelling of 215044145263 in words is "two hundred fifteen billion, forty-four million, one hundred forty-five thousand, two hundred sixty-three".