11000203003240 has 32 divisors (see below), whose sum is σ = 27000498281760. Its totient is φ = 4000073819200.

The previous prime is 11000203003201. The next prime is 11000203003243. The reversal of 11000203003240 is 4230030200011.

It is a happy number.

It is a super-2 number, since 2×11000203003240² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11000203003243) 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 7 ways as a sum of consecutive naturals, for example, 12500230246 + ... + 12500231125.

It is an arithmetic number, because the mean of its divisors is an integer number (843765571305).

Almost surely, 2^{11000203003240} is an apocalyptic number.

11000203003240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000203003240 is an abundant number, since it is smaller than the sum of its proper divisors (16000295278520).

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

11000203003240 is a wasteful number, since it uses less digits than its factorization.

11000203003240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000461393 (or 25000461389 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 11000203003240 its reverse (4230030200011), we get a palindrome (15230233203251).

The spelling of 11000203003240 in words is "eleven trillion, two hundred three million, three thousand, two hundred forty".