1283813055799 has 4 divisors (see below), whose sum is σ = 1359331470864. Its totient is φ = 1208294640736.

The previous prime is 1283813055713. The next prime is 1283813055803. The reversal of 1283813055799 is 9975503183821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1283813055799 - 2¹¹ = 1283813053751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283813055709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37759207507 + ... + 37759207540.

It is an arithmetic number, because the mean of its divisors is an integer number (339832867716).

Almost surely, 2^{1283813055799} is an apocalyptic number.

1283813055799 is a deficient number, since it is larger than the sum of its proper divisors (75518415065).

1283813055799 is an equidigital number, since it uses as much as digits as its factorization.

1283813055799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75518415064.

The product of its (nonzero) digits is 16329600, while the sum is 61.

The spelling of 1283813055799 in words is "one trillion, two hundred eighty-three billion, eight hundred thirteen million, fifty-five thousand, seven hundred ninety-nine".