11323051216 has 20 divisors (see below), whose sum is σ = 23093065600. Its totient is φ = 5363550432.

The previous prime is 11323051213. The next prime is 11323051231. The reversal of 11323051216 is 61215032311.

It is a happy number.

It is a super-2 number, since 2×11323051216² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323051211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18623136 + ... + 18623743.

It is an arithmetic number, because the mean of its divisors is an integer number (1154653280).

Almost surely, 2^11323051216 is an apocalyptic number.

11323051216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11323051216 is an abundant number, since it is smaller than the sum of its proper divisors (11770014384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11323051216 is a wasteful number, since it uses less digits than its factorization.

11323051216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37246906 (or 37246900 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 11323051216 its reverse (61215032311), we get a palindrome (72538083527).

The spelling of 11323051216 in words is "eleven billion, three hundred twenty-three million, fifty-one thousand, two hundred sixteen".