111011098987 has 2 divisors, whose sum is σ = 111011098988. Its totient is φ = 111011098986.

The previous prime is 111011098967. The next prime is 111011099027. The reversal of 111011098987 is 789890110111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111011098987 - 2¹¹ = 111011096939 is a prime.

It is not a weakly prime, because it can be changed into another prime (111011098967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505549493 + 55505549494.

It is an arithmetic number, because the mean of its divisors is an integer number (55505549494).

Almost surely, 2^111011098987 is an apocalyptic number.

111011098987 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011098987 is an equidigital number, since it uses as much as digits as its factorization.

111011098987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 46.

The spelling of 111011098987 in words is "one hundred eleven billion, eleven million, ninety-eight thousand, nine hundred eighty-seven".