11155322045 has 16 divisors (see below), whose sum is σ = 15558030720. Its totient is φ = 7519712064.

The previous prime is 11155322041. The next prime is 11155322051. The reversal of 11155322045 is 54022355111.

It is a cyclic number.

It is not a de Polignac number, because 11155322045 - 2² = 11155322041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11155321999 and 11155322017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155322041) 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, 2698982 + ... + 2703111.

It is an arithmetic number, because the mean of its divisors is an integer number (972376920).

Almost surely, 2^11155322045 is an apocalyptic number.

It is an amenable number.

11155322045 is a deficient number, since it is larger than the sum of its proper divisors (4402708675).

11155322045 is an equidigital number, since it uses as much as digits as its factorization.

11155322045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5402164.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 11155322045 its reverse (54022355111), we get a palindrome (65177677156).

The spelling of 11155322045 in words is "eleven billion, one hundred fifty-five million, three hundred twenty-two thousand, forty-five".