219115253087 has 2 divisors, whose sum is σ = 219115253088. Its totient is φ = 219115253086.

The previous prime is 219115253029. The next prime is 219115253089. The reversal of 219115253087 is 780352511912.

219115253087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 219115253087 - 2⁸ = 219115252831 is a prime.

It is a super-2 number, since 2×219115253087² (a number of 23 digits) contains 22 as substring.

Together with 219115253089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219115253089) 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, 109557626543 + 109557626544.

It is an arithmetic number, because the mean of its divisors is an integer number (109557626544).

Almost surely, 2^219115253087 is an apocalyptic number.

219115253087 is a deficient number, since it is larger than the sum of its proper divisors (1).

219115253087 is an equidigital number, since it uses as much as digits as its factorization.

219115253087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 44.

Adding to 219115253087 its reverse (780352511912), we get a palindrome (999467764999).

The spelling of 219115253087 in words is "two hundred nineteen billion, one hundred fifteen million, two hundred fifty-three thousand, eighty-seven".