11321452443430 has 64 divisors (see below), whose sum is σ = 21647331207360. Its totient is φ = 4248393969664.

The previous prime is 11321452443419. The next prime is 11321452443439. The reversal of 11321452443430 is 3434425412311.

It is a self number, because there is not a number n which added to its sum of digits gives 11321452443430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321452443439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65399769 + ... + 65572651.

It is an arithmetic number, because the mean of its divisors is an integer number (338239550115).

Almost surely, 2^{11321452443430} is an apocalyptic number.

11321452443430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11321452443430 is a deficient number, since it is larger than the sum of its proper divisors (10325878763930).

11321452443430 is a wasteful number, since it uses less digits than its factorization.

11321452443430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174153.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 11321452443430 its reverse (3434425412311), we get a palindrome (14755877855741).

The spelling of 11321452443430 in words is "eleven trillion, three hundred twenty-one billion, four hundred fifty-two million, four hundred forty-three thousand, four hundred thirty".