11800399799242 has 8 divisors (see below), whose sum is σ = 17701961217732. Its totient is φ = 5899746060000.

The previous prime is 11800399799219. The next prime is 11800399799273. The reversal of 11800399799242 is 24299799300811.

It is a Cunningham number, because it is equal to 3435171²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 11800399799241 + 1 = 3435171^2 + 1^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226887309 + ... + 226939312.

Almost surely, 2^{11800399799242} is an apocalyptic number.

11800399799242 is a deficient number, since it is larger than the sum of its proper divisors (5901561418490).

11800399799242 is a wasteful number, since it uses less digits than its factorization.

11800399799242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453839624.

The product of its (nonzero) digits is 17635968, while the sum is 64.

The spelling of 11800399799242 in words is "eleven trillion, eight hundred billion, three hundred ninety-nine million, seven hundred ninety-nine thousand, two hundred forty-two".