11161030603321 has 8 divisors (see below), whose sum is σ = 11165697721800. Its totient is φ = 11156364468480.

The previous prime is 11161030603313. The next prime is 11161030603343. The reversal of 11161030603321 is 12330603016111.

It can be written as a sum of positive squares in 4 ways, for example, as 302292135721 + 10858738467600 = 549811^2 + 3295260^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11161030603321 - 2³ = 11161030603313 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 11161030603321.

It is not an unprimeable number, because it can be changed into a prime (11161030603351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22905495 + ... + 23387683.

It is an arithmetic number, because the mean of its divisors is an integer number (1395712215225).

Almost surely, 2^{11161030603321} is an apocalyptic number.

It is an amenable number.

11161030603321 is a deficient number, since it is larger than the sum of its proper divisors (4667118479).

11161030603321 is an equidigital number, since it uses as much as digits as its factorization.

11161030603321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491819.

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 11161030603321 its reverse (12330603016111), we get a palindrome (23491633619432).

The spelling of 11161030603321 in words is "eleven trillion, one hundred sixty-one billion, thirty million, six hundred three thousand, three hundred twenty-one".