11803401113 has 6 divisors (see below), whose sum is σ = 13730487066. Its totient is φ = 10117200912.

The previous prime is 11803401109. The next prime is 11803401149. The reversal of 11803401113 is 31110430811.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9251938969 + 2551462144 = 96187^2 + 50512^2 .

It is not a de Polignac number, because 11803401113 - 2² = 11803401109 is a prime.

It is a super-3 number, since 3×11803401113³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11803401163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120442820 + ... + 120442917.

It is an arithmetic number, because the mean of its divisors is an integer number (2288414511).

Almost surely, 2^11803401113 is an apocalyptic number.

It is an amenable number.

11803401113 is a deficient number, since it is larger than the sum of its proper divisors (1927085953).

11803401113 is an equidigital number, since it uses as much as digits as its factorization.

11803401113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240885751 (or 240885744 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 11803401113 its reverse (31110430811), we get a palindrome (42913831924).

The spelling of 11803401113 in words is "eleven billion, eight hundred three million, four hundred one thousand, one hundred thirteen".