1282323550845 has 16 divisors (see below), whose sum is σ = 2051735884992. Its totient is φ = 683899825920.

The previous prime is 1282323550841. The next prime is 1282323550889. The reversal of 1282323550845 is 5480553232821.

It is not a de Polignac number, because 1282323550845 - 2² = 1282323550841 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1282323550794 and 1282323550803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282323550841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1755310 + ... + 2376080.

It is an arithmetic number, because the mean of its divisors is an integer number (128233492812).

Almost surely, 2^{1282323550845} is an apocalyptic number.

1282323550845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1282323550845 is a deficient number, since it is larger than the sum of its proper divisors (769412334147).

1282323550845 is a wasteful number, since it uses less digits than its factorization.

1282323550845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758492.

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 1282323550845 in words is "one trillion, two hundred eighty-two billion, three hundred twenty-three million, five hundred fifty thousand, eight hundred forty-five".