2211575249287 has 2 divisors, whose sum is σ = 2211575249288. Its totient is φ = 2211575249286.

The previous prime is 2211575249267. The next prime is 2211575249357. The reversal of 2211575249287 is 7829425751122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211575249287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211575249227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105787624643 + 1105787624644.

It is an arithmetic number, because the mean of its divisors is an integer number (1105787624644).

Almost surely, 2^{2211575249287} is an apocalyptic number.

2211575249287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211575249287 is an equidigital number, since it uses as much as digits as its factorization.

2211575249287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5644800, while the sum is 55.

The spelling of 2211575249287 in words is "two trillion, two hundred eleven billion, five hundred seventy-five million, two hundred forty-nine thousand, two hundred eighty-seven".