11211304452 has 12 divisors (see below), whose sum is σ = 26159710416. Its totient is φ = 3737101480.

The previous prime is 11211304451. The next prime is 11211304459. The reversal of 11211304452 is 25440311211.

11211304452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11211304451) 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 3 ways as a sum of consecutive naturals, for example, 467137674 + ... + 467137697.

It is an arithmetic number, because the mean of its divisors is an integer number (2179975868).

Almost surely, 2^11211304452 is an apocalyptic number.

11211304452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11211304452 is an abundant number, since it is smaller than the sum of its proper divisors (14948405964).

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

11211304452 is a wasteful number, since it uses less digits than its factorization.

11211304452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934275378 (or 934275376 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 11211304452 its reverse (25440311211), we get a palindrome (36651615663).

The spelling of 11211304452 in words is "eleven billion, two hundred eleven million, three hundred four thousand, four hundred fifty-two".