11011032321 has 16 divisors (see below), whose sum is σ = 15203427840. Its totient is φ = 7081176960.

The previous prime is 11011032287. The next prime is 11011032337. The reversal of 11011032321 is 12323011011.

It is a happy number.

It is not a de Polignac number, because 11011032321 - 2²⁹ = 10474161409 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11011032321.

It is not an unprimeable number, because it can be changed into a prime (11011032341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160026 + ... + 218243.

It is an arithmetic number, because the mean of its divisors is an integer number (950214240).

Almost surely, 2^11011032321 is an apocalyptic number.

It is an amenable number.

11011032321 is a deficient number, since it is larger than the sum of its proper divisors (4192395519).

11011032321 is a wasteful number, since it uses less digits than its factorization.

11011032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378616.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11011032321 its reverse (12323011011), we get a palindrome (23334043332).

The spelling of 11011032321 in words is "eleven billion, eleven million, thirty-two thousand, three hundred twenty-one".