11200020020087 has 2 divisors, whose sum is σ = 11200020020088. Its totient is φ = 11200020020086.

The previous prime is 11200020020069. The next prime is 11200020020113. The reversal of 11200020020087 is 78002002000211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11200020020087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11200020025087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600010010043 + 5600010010044.

It is an arithmetic number, because the mean of its divisors is an integer number (5600010010044).

Almost surely, 2^{11200020020087} is an apocalyptic number.

11200020020087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200020020087 is an equidigital number, since it uses as much as digits as its factorization.

11200020020087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 11200020020087 its reverse (78002002000211), we get a palindrome (89202022020298).

The spelling of 11200020020087 in words is "eleven trillion, two hundred billion, twenty million, twenty thousand, eighty-seven".