11125435321 has 64 divisors (see below), whose sum is σ = 15369209856. Its totient is φ = 7772889600.

The previous prime is 11125435319. The next prime is 11125435333. The reversal of 11125435321 is 12353452111.

11125435321 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 11125435321 - 2¹ = 11125435319 is a prime.

It is a super-3 number, since 3×11125435321³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 11125435321.

It is not an unprimeable number, because it can be changed into a prime (11125435301) 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 63 ways as a sum of consecutive naturals, for example, 12599146 + ... + 12600028.

It is an arithmetic number, because the mean of its divisors is an integer number (240143904).

Almost surely, 2^11125435321 is an apocalyptic number.

11125435321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11125435321 is a deficient number, since it is larger than the sum of its proper divisors (4243774535).

11125435321 is a wasteful number, since it uses less digits than its factorization.

11125435321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262.

The product of its digits is 3600, while the sum is 28.

Adding to 11125435321 its reverse (12353452111), we get a palindrome (23478887432).

The spelling of 11125435321 in words is "eleven billion, one hundred twenty-five million, four hundred thirty-five thousand, three hundred twenty-one".