1142868685859 has 2 divisors, whose sum is σ = 1142868685860. Its totient is φ = 1142868685858.

The previous prime is 1142868685823. The next prime is 1142868685891. The reversal of 1142868685859 is 9585868682411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142868685859 is a prime.

It is a super-2 number, since 2×1142868685859² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142868685792 and 1142868685801.

It is not a weakly prime, because it can be changed into another prime (1142868685559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571434342929 + 571434342930.

It is an arithmetic number, because the mean of its divisors is an integer number (571434342930).

Almost surely, 2^{1142868685859} is an apocalyptic number.

1142868685859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142868685859 is an equidigital number, since it uses as much as digits as its factorization.

1142868685859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 265420800, while the sum is 71.

The spelling of 1142868685859 in words is "one trillion, one hundred forty-two billion, eight hundred sixty-eight million, six hundred eighty-five thousand, eight hundred fifty-nine".