111302011987 has 2 divisors, whose sum is σ = 111302011988. Its totient is φ = 111302011986.

The previous prime is 111302011943. The next prime is 111302011991. The reversal of 111302011987 is 789110203111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111302011987 - 2⁷ = 111302011859 is a prime.

It is not a weakly prime, because it can be changed into another prime (111302041987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55651005993 + 55651005994.

It is an arithmetic number, because the mean of its divisors is an integer number (55651005994).

Almost surely, 2^111302011987 is an apocalyptic number.

111302011987 is a deficient number, since it is larger than the sum of its proper divisors (1).

111302011987 is an equidigital number, since it uses as much as digits as its factorization.

111302011987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 34.

The spelling of 111302011987 in words is "one hundred eleven billion, three hundred two million, eleven thousand, nine hundred eighty-seven".