11181104887 has 2 divisors, whose sum is σ = 11181104888. Its totient is φ = 11181104886.

The previous prime is 11181104801. The next prime is 11181104917. The reversal of 11181104887 is 78840118111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11181104887 - 2¹⁹ = 11180580599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11181101887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5590552443 + 5590552444.

It is an arithmetic number, because the mean of its divisors is an integer number (5590552444).

Almost surely, 2^11181104887 is an apocalyptic number.

11181104887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11181104887 is an equidigital number, since it uses as much as digits as its factorization.

11181104887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 40.

The spelling of 11181104887 in words is "eleven billion, one hundred eighty-one million, one hundred four thousand, eight hundred eighty-seven".