11155227508 has 6 divisors (see below), whose sum is σ = 19521648146. Its totient is φ = 5577613752.

The previous prime is 11155227487. The next prime is 11155227509. The reversal of 11155227508 is 80572255111.

11155227508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6952557924 + 4202669584 = 83382^2 + 64828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155227509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394403435 + ... + 1394403442.

Almost surely, 2^11155227508 is an apocalyptic number.

It is an amenable number.

11155227508 is a deficient number, since it is larger than the sum of its proper divisors (8366420638).

11155227508 is a wasteful number, since it uses less digits than its factorization.

11155227508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788806881 (or 2788806879 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 37.

The spelling of 11155227508 in words is "eleven billion, one hundred fifty-five million, two hundred twenty-seven thousand, five hundred eight".