1110111110987 has 2 divisors, whose sum is σ = 1110111110988. Its totient is φ = 1110111110986.

The previous prime is 1110111110957. The next prime is 1110111111023. The reversal of 1110111110987 is 7890111110111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110111110987 is a prime.

It is a super-2 number, since 2×1110111110987² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1110111110957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555055555493 + 555055555494.

It is an arithmetic number, because the mean of its divisors is an integer number (555055555494).

Almost surely, 2^{1110111110987} is an apocalyptic number.

1110111110987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110111110987 is an equidigital number, since it uses as much as digits as its factorization.

1110111110987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 32.

The spelling of 1110111110987 in words is "one trillion, one hundred ten billion, one hundred eleven million, one hundred ten thousand, nine hundred eighty-seven".