2111328587 has 2 divisors, whose sum is σ = 2111328588. Its totient is φ = 2111328586.

The previous prime is 2111328559. The next prime is 2111328607. The reversal of 2111328587 is 7858231112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111328587 - 2²² = 2107134283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111328587.

It is not a weakly prime, because it can be changed into another prime (2111328547) 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, 1055664293 + 1055664294.

It is an arithmetic number, because the mean of its divisors is an integer number (1055664294).

Almost surely, 2^2111328587 is an apocalyptic number.

2111328587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111328587 is an equidigital number, since it uses as much as digits as its factorization.

2111328587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 38.

The square root of 2111328587 is about 45949.1957165738. The cubic root of 2111328587 is about 1282.8777592396.

Adding to 2111328587 its reverse (7858231112), we get a palindrome (9969559699).

The spelling of 2111328587 in words is "two billion, one hundred eleven million, three hundred twenty-eight thousand, five hundred eighty-seven".