11032312055 has 4 divisors (see below), whose sum is σ = 13238774472. Its totient is φ = 8825849640.

The previous prime is 11032312051. The next prime is 11032312069. The reversal of 11032312055 is 55021323011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55021323011 = 491 ⋅112059721.

It is not a de Polignac number, because 11032312055 - 2² = 11032312051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11032312055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032312051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103231201 + ... + 1103231210.

It is an arithmetic number, because the mean of its divisors is an integer number (3309693618).

Almost surely, 2^11032312055 is an apocalyptic number.

11032312055 is a deficient number, since it is larger than the sum of its proper divisors (2206462417).

11032312055 is an equidigital number, since it uses as much as digits as its factorization.

11032312055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206462416.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 11032312055 its reverse (55021323011), we get a palindrome (66053635066).

The spelling of 11032312055 in words is "eleven billion, thirty-two million, three hundred twelve thousand, fifty-five".