10001111100887 has 2 divisors, whose sum is σ = 10001111100888. Its totient is φ = 10001111100886.

The previous prime is 10001111100859. The next prime is 10001111100917. The reversal of 10001111100887 is 78800111110001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10001111100887 - 2²⁸ = 10000842665431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001111100857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000555550443 + 5000555550444.

It is an arithmetic number, because the mean of its divisors is an integer number (5000555550444).

Almost surely, 2^{10001111100887} is an apocalyptic number.

10001111100887 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001111100887 is an equidigital number, since it uses as much as digits as its factorization.

10001111100887 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 29.

Adding to 10001111100887 its reverse (78800111110001), we get a palindrome (88801222210888).

The spelling of 10001111100887 in words is "ten trillion, one billion, one hundred eleven million, one hundred thousand, eight hundred eighty-seven".