11020156055 has 16 divisors (see below), whose sum is σ = 13654274304. Its totient is φ = 8529546240.

The previous prime is 11020156033. The next prime is 11020156097. The reversal of 11020156055 is 55065102011.

11020156055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11020156055 - 2¹⁰ = 11020155031 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869927 + ... + 882503.

It is an arithmetic number, because the mean of its divisors is an integer number (853392144).

Almost surely, 2^11020156055 is an apocalyptic number.

11020156055 is a deficient number, since it is larger than the sum of its proper divisors (2634118249).

11020156055 is a wasteful number, since it uses less digits than its factorization.

11020156055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18266.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 11020156055 its reverse (55065102011), we get a palindrome (66085258066).

The spelling of 11020156055 in words is "eleven billion, twenty million, one hundred fifty-six thousand, fifty-five".