11661241300303 has 16 divisors (see below), whose sum is σ = 13509886190400. Its totient is φ = 9858288577536.

The previous prime is 11661241300273. The next prime is 11661241300327. The reversal of 11661241300303 is 30300314216611.

It is not a de Polignac number, because 11661241300303 - 2⁹ = 11661241299791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11661241304303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54390651 + ... + 54604627.

It is an arithmetic number, because the mean of its divisors is an integer number (844367886900).

Almost surely, 2^{11661241300303} is an apocalyptic number.

11661241300303 is a deficient number, since it is larger than the sum of its proper divisors (1848644890097).

11661241300303 is a wasteful number, since it uses less digits than its factorization.

11661241300303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320706.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 11661241300303 its reverse (30300314216611), we get a palindrome (41961555516914).

The spelling of 11661241300303 in words is "eleven trillion, six hundred sixty-one billion, two hundred forty-one million, three hundred thousand, three hundred three".