11155323530255 has 4 divisors (see below), whose sum is σ = 13386388236312. Its totient is φ = 8924258824200.

The previous prime is 11155323530179. The next prime is 11155323530333. The reversal of 11155323530255 is 55203532355111.

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

It is not a de Polignac number, because 11155323530255 - 2²⁶ = 11155256421391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1115532353021 + ... + 1115532353030.

It is an arithmetic number, because the mean of its divisors is an integer number (3346597059078).

Almost surely, 2^{11155323530255} is an apocalyptic number.

11155323530255 is a deficient number, since it is larger than the sum of its proper divisors (2231064706057).

11155323530255 is an equidigital number, since it uses as much as digits as its factorization.

11155323530255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231064706056.

The product of its (nonzero) digits is 337500, while the sum is 41.

Adding to 11155323530255 its reverse (55203532355111), we get a palindrome (66358855885366).

The spelling of 11155323530255 in words is "eleven trillion, one hundred fifty-five billion, three hundred twenty-three million, five hundred thirty thousand, two hundred fifty-five".