1283145255818 has 8 divisors (see below), whose sum is σ = 2008401270048. Its totient is φ = 613678165804.

The previous prime is 1283145255809. The next prime is 1283145255829. The reversal of 1283145255818 is 8185525413821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1283145255818.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 13947230996 + ... + 13947231087.

It is an arithmetic number, because the mean of its divisors is an integer number (251050158756).

Almost surely, 2^{1283145255818} is an apocalyptic number.

1283145255818 is a deficient number, since it is larger than the sum of its proper divisors (725256014230).

1283145255818 is a wasteful number, since it uses less digits than its factorization.

1283145255818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27894462108.

The product of its digits is 3072000, while the sum is 53.

The spelling of 1283145255818 in words is "one trillion, two hundred eighty-three billion, one hundred forty-five million, two hundred fifty-five thousand, eight hundred eighteen".