11800399799273 has 2 divisors, whose sum is σ = 11800399799274. Its totient is φ = 11800399799272.

The previous prime is 11800399799219. The next prime is 11800399799323. The reversal of 11800399799273 is 37299799300811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8789019178384 + 3011380620889 = 2964628^2 + 1735333^2 .

It is a cyclic number.

It is not a de Polignac number, because 11800399799273 - 2⁸ = 11800399799017 is a prime.

It is not a weakly prime, because it can be changed into another prime (11800399799213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5900199899636 + 5900199899637.

It is an arithmetic number, because the mean of its divisors is an integer number (5900199899637).

Almost surely, 2^{11800399799273} is an apocalyptic number.

It is an amenable number.

11800399799273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11800399799273 is an equidigital number, since it uses as much as digits as its factorization.

11800399799273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46294416, while the sum is 68.

The spelling of 11800399799273 in words is "eleven trillion, eight hundred billion, three hundred ninety-nine million, seven hundred ninety-nine thousand, two hundred seventy-three".