11803799855 has 8 divisors (see below), whose sum is σ = 14166172464. Its totient is φ = 9441964800.

The previous prime is 11803799827. The next prime is 11803799857. The reversal of 11803799855 is 55899730811.

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

It is a de Polignac number, because none of the positive numbers 2^k-11803799855 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11803799855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11803799857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84386 + ... + 175295.

It is an arithmetic number, because the mean of its divisors is an integer number (1770771558).

Almost surely, 2^11803799855 is an apocalyptic number.

11803799855 is a deficient number, since it is larger than the sum of its proper divisors (2362372609).

11803799855 is an equidigital number, since it uses as much as digits as its factorization.

11803799855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268777.

The product of its (nonzero) digits is 2721600, while the sum is 56.

The spelling of 11803799855 in words is "eleven billion, eight hundred three million, seven hundred ninety-nine thousand, eight hundred fifty-five".