11243203243320 has 64 divisors (see below), whose sum is σ = 34135990600320. Its totient is φ = 2962064787584.

The previous prime is 11243203243313. The next prime is 11243203243357. The reversal of 11243203243320 is 2334230234211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564407874 + ... + 564427793.

It is an arithmetic number, because the mean of its divisors is an integer number (533374853130).

Almost surely, 2^{11243203243320} is an apocalyptic number.

11243203243320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11243203243320 is an abundant number, since it is smaller than the sum of its proper divisors (22892787357000).

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

11243203243320 is a wasteful number, since it uses less digits than its factorization.

11243203243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128835764 (or 1128835760 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 11243203243320 its reverse (2334230234211), we get a palindrome (13577433477531).

The spelling of 11243203243320 in words is "eleven trillion, two hundred forty-three billion, two hundred three million, two hundred forty-three thousand, three hundred twenty".