11121035055 has 32 divisors (see below), whose sum is σ = 19680314304. Its totient is φ = 5326995456.

The previous prime is 11121035053. The next prime is 11121035059. The reversal of 11121035055 is 55053012111.

It is not a de Polignac number, because 11121035055 - 2¹ = 11121035053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121035053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 763474 + ... + 777903.

It is an arithmetic number, because the mean of its divisors is an integer number (615009822).

Almost surely, 2^11121035055 is an apocalyptic number.

11121035055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11121035055 is a deficient number, since it is larger than the sum of its proper divisors (8559279249).

11121035055 is a wasteful number, since it uses less digits than its factorization.

11121035055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541435.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 11121035055 its reverse (55053012111), we get a palindrome (66174047166).

The spelling of 11121035055 in words is "eleven billion, one hundred twenty-one million, thirty-five thousand, fifty-five".