11143023004420 has 24 divisors (see below), whose sum is σ = 23404041229464. Its totient is φ = 4456505788416.

The previous prime is 11143023004387. The next prime is 11143023004423. The reversal of 11143023004420 is 2440032034111.

It can be written as a sum of positive squares in 4 ways, for example, as 429080021764 + 10713942982656 = 655042^2 + 3273216^2 .

It is not an unprimeable number, because it can be changed into a prime (11143023004423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43833427 + ... + 44086906.

It is an arithmetic number, because the mean of its divisors is an integer number (975168384561).

Almost surely, 2^{11143023004420} is an apocalyptic number.

11143023004420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11143023004420 is an abundant number, since it is smaller than the sum of its proper divisors (12261018225044).

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

11143023004420 is a wasteful number, since it uses less digits than its factorization.

11143023004420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87926679 (or 87926677 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11143023004420 its reverse (2440032034111), we get a palindrome (13583055038531).

The spelling of 11143023004420 in words is "eleven trillion, one hundred forty-three billion, twenty-three million, four thousand, four hundred twenty".