11001530240503 has 8 divisors (see below), whose sum is σ = 12523481064576. Its totient is φ = 9566548035000.

The previous prime is 11001530240483. The next prime is 11001530240539. The reversal of 11001530240503 is 30504203510011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11001530240503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001530240003) 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, 21742154373 + ... + 21742154878.

It is an arithmetic number, because the mean of its divisors is an integer number (1565435133072).

Almost surely, 2^{11001530240503} is an apocalyptic number.

11001530240503 is a deficient number, since it is larger than the sum of its proper divisors (1521950824073).

11001530240503 is a wasteful number, since it uses less digits than its factorization.

11001530240503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43484309285.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 11001530240503 its reverse (30504203510011), we get a palindrome (41505733750514).

The spelling of 11001530240503 in words is "eleven trillion, one billion, five hundred thirty million, two hundred forty thousand, five hundred three".