11055135504321 has 8 divisors (see below), whose sum is σ = 16377978524960. Its totient is φ = 7370090336196.

The previous prime is 11055135504241. The next prime is 11055135504341. The reversal of 11055135504321 is 12340553155011.

11055135504321 is a `hidden beast` number, since 1 + 1 + 0 + 55 + 13 + 550 + 43 + 2 + 1 = 666.

It is not a de Polignac number, because 11055135504321 - 2²¹ = 11055133407169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11055135504341) 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, 204724731535 + ... + 204724731588.

It is an arithmetic number, because the mean of its divisors is an integer number (2047247315620).

Almost surely, 2^{11055135504321} is an apocalyptic number.

It is an amenable number.

11055135504321 is a deficient number, since it is larger than the sum of its proper divisors (5322843020639).

11055135504321 is an equidigital number, since it uses as much as digits as its factorization.

11055135504321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409449463132 (or 409449463126 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

Adding to 11055135504321 its reverse (12340553155011), we get a palindrome (23395688659332).

The spelling of 11055135504321 in words is "eleven trillion, fifty-five billion, one hundred thirty-five million, five hundred four thousand, three hundred twenty-one".