1112011111987 has 2 divisors, whose sum is σ = 1112011111988. Its totient is φ = 1112011111986.

The previous prime is 1112011111973. The next prime is 1112011111997. The reversal of 1112011111987 is 7891111102111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112011111987 - 2²³ = 1112002723379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112011111997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556005555993 + 556005555994.

It is an arithmetic number, because the mean of its divisors is an integer number (556005555994).

Almost surely, 2^{1112011111987} is an apocalyptic number.

1112011111987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112011111987 is an equidigital number, since it uses as much as digits as its factorization.

1112011111987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 34.

The spelling of 1112011111987 in words is "one trillion, one hundred twelve billion, eleven million, one hundred eleven thousand, nine hundred eighty-seven".