11021109975 has 72 divisors (see below), whose sum is σ = 20458891440. Its totient is φ = 5664637440.

The previous prime is 11021109973. The next prime is 11021109989. The reversal of 11021109975 is 57990112011.

11021109975 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 11021109975 - 2¹ = 11021109973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021109973) 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 in 71 ways as a sum of consecutive naturals, for example, 4455339 + ... + 4457811.

It is an arithmetic number, because the mean of its divisors is an integer number (284151270).

Almost surely, 2^11021109975 is an apocalyptic number.

11021109975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11021109975 is a deficient number, since it is larger than the sum of its proper divisors (9437781465).

11021109975 is a wasteful number, since it uses less digits than its factorization.

11021109975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 36.

The spelling of 11021109975 in words is "eleven billion, twenty-one million, one hundred nine thousand, nine hundred seventy-five".