11434430530503 has 6 divisors (see below), whose sum is σ = 16516399655184. Its totient is φ = 7622953686996.

The previous prime is 11434430530499. The next prime is 11434430530541. The reversal of 11434430530503 is 30503503443411.

11434430530503 is a `hidden beast` number, since 1 + 1 + 4 + 3 + 44 + 30 + 530 + 50 + 3 = 666.

It is not a de Polignac number, because 11434430530503 - 2² = 11434430530499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11434430530583) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 635246140575 + ... + 635246140592.

It is an arithmetic number, because the mean of its divisors is an integer number (2752733275864).

Almost surely, 2^{11434430530503} is an apocalyptic number.

11434430530503 is a deficient number, since it is larger than the sum of its proper divisors (5081969124681).

11434430530503 is a wasteful number, since it uses less digits than its factorization.

11434430530503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270492281173 (or 1270492281170 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 11434430530503 its reverse (30503503443411), we get a palindrome (41937933973914).

The spelling of 11434430530503 in words is "eleven trillion, four hundred thirty-four billion, four hundred thirty million, five hundred thirty thousand, five hundred three".