11620331103 has 4 divisors (see below), whose sum is σ = 15493774808. Its totient is φ = 7746887400.

The previous prime is 11620331071. The next prime is 11620331131. The reversal of 11620331103 is 30113302611.

11620331103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11620331103 - 2⁵ = 11620331071 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 11620331103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11620331603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936721848 + ... + 1936721853.

It is an arithmetic number, because the mean of its divisors is an integer number (3873443702).

Almost surely, 2^11620331103 is an apocalyptic number.

11620331103 is a deficient number, since it is larger than the sum of its proper divisors (3873443705).

11620331103 is an equidigital number, since it uses as much as digits as its factorization.

11620331103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873443704.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11620331103 its reverse (30113302611), we get a palindrome (41733633714).

The spelling of 11620331103 in words is "eleven billion, six hundred twenty million, three hundred thirty-one thousand, one hundred three".