11155022036 has 12 divisors (see below), whose sum is σ = 19629142260. Its totient is φ = 5546695680.

The previous prime is 11155022029. The next prime is 11155022083. The reversal of 11155022036 is 63022055111.

It can be written as a sum of positive squares in 2 ways, for example, as 482065936 + 10672956100 = 21956^2 + 103310^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11155021996 and 11155022014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7703021 + ... + 7704468.

It is an arithmetic number, because the mean of its divisors is an integer number (1635761855).

Almost surely, 2^11155022036 is an apocalyptic number.

It is an amenable number.

11155022036 is a deficient number, since it is larger than the sum of its proper divisors (8474120224).

11155022036 is a wasteful number, since it uses less digits than its factorization.

11155022036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15407674 (or 15407672 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 11155022036 its reverse (63022055111), we get a palindrome (74177077147).

The spelling of 11155022036 in words is "eleven billion, one hundred fifty-five million, twenty-two thousand, thirty-six".