11800399799641 has 2 divisors, whose sum is σ = 11800399799642. Its totient is φ = 11800399799640.

The previous prime is 11800399799627. The next prime is 11800399799653. The reversal of 11800399799641 is 14699799300811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11800399799241 + 400 = 3435171^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 11800399799641 - 2²⁹ = 11799862928729 is a prime.

It is not a weakly prime, because it can be changed into another prime (11800399794641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5900199899820 + 5900199899821.

It is an arithmetic number, because the mean of its divisors is an integer number (5900199899821).

Almost surely, 2^{11800399799641} is an apocalyptic number.

It is an amenable number.

11800399799641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11800399799641 is an equidigital number, since it uses as much as digits as its factorization.

11800399799641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26453952, while the sum is 67.

The spelling of 11800399799641 in words is "eleven trillion, eight hundred billion, three hundred ninety-nine million, seven hundred ninety-nine thousand, six hundred forty-one".