11103211970887 has 2 divisors, whose sum is σ = 11103211970888. Its totient is φ = 11103211970886.

The previous prime is 11103211970869. The next prime is 11103211970899. The reversal of 11103211970887 is 78807911230111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11103211970887 - 2¹¹ = 11103211968839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11103211970887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11103211974887) 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, 5551605985443 + 5551605985444.

It is an arithmetic number, because the mean of its divisors is an integer number (5551605985444).

Almost surely, 2^{11103211970887} is an apocalyptic number.

11103211970887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103211970887 is an equidigital number, since it uses as much as digits as its factorization.

11103211970887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 49.

The spelling of 11103211970887 in words is "eleven trillion, one hundred three billion, two hundred eleven million, nine hundred seventy thousand, eight hundred eighty-seven".