11101111100087 has 2 divisors, whose sum is σ = 11101111100088. Its totient is φ = 11101111100086.

The previous prime is 11101111100039. The next prime is 11101111100143. The reversal of 11101111100087 is 78000111110111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11101111100087 - 2¹⁶ = 11101111034551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101111000087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550555550043 + 5550555550044.

It is an arithmetic number, because the mean of its divisors is an integer number (5550555550044).

Almost surely, 2^{11101111100087} is an apocalyptic number.

11101111100087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101111100087 is an equidigital number, since it uses as much as digits as its factorization.

11101111100087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 23.

Adding to 11101111100087 its reverse (78000111110111), we get a palindrome (89101222210198).

The spelling of 11101111100087 in words is "eleven trillion, one hundred one billion, one hundred eleven million, one hundred thousand, eighty-seven".