11110108987 has 2 divisors, whose sum is σ = 11110108988. Its totient is φ = 11110108986.

The previous prime is 11110108981. The next prime is 11110109009. The reversal of 11110108987 is 78980101111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11110108987 - 2⁷ = 11110108859 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110108981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555054493 + 5555054494.

It is an arithmetic number, because the mean of its divisors is an integer number (5555054494).

Almost surely, 2^11110108987 is an apocalyptic number.

11110108987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110108987 is an equidigital number, since it uses as much as digits as its factorization.

11110108987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 37.

The spelling of 11110108987 in words is "eleven billion, one hundred ten million, one hundred eight thousand, nine hundred eighty-seven".