1142142965867 has 2 divisors, whose sum is σ = 1142142965868. Its totient is φ = 1142142965866.

The previous prime is 1142142965839. The next prime is 1142142965891. The reversal of 1142142965867 is 7685692412411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142142965867 - 2⁸ = 1142142965611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142142965807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571071482933 + 571071482934.

It is an arithmetic number, because the mean of its divisors is an integer number (571071482934).

Almost surely, 2^{1142142965867} is an apocalyptic number.

1142142965867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142142965867 is an equidigital number, since it uses as much as digits as its factorization.

1142142965867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 56.

The spelling of 1142142965867 in words is "one trillion, one hundred forty-two billion, one hundred forty-two million, nine hundred sixty-five thousand, eight hundred sixty-seven".