11330242543 has 4 divisors (see below), whose sum is σ = 11822861808. Its totient is φ = 10837623280.

The previous prime is 11330242481. The next prime is 11330242549. The reversal of 11330242543 is 34524203311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11330242543 - 2³³ = 2740307951 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 (11330242549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246309598 + ... + 246309643.

It is an arithmetic number, because the mean of its divisors is an integer number (2955715452).

Almost surely, 2^11330242543 is an apocalyptic number.

11330242543 is a deficient number, since it is larger than the sum of its proper divisors (492619265).

11330242543 is an equidigital number, since it uses as much as digits as its factorization.

11330242543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492619264.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 11330242543 its reverse (34524203311), we get a palindrome (45854445854).

The spelling of 11330242543 in words is "eleven billion, three hundred thirty million, two hundred forty-two thousand, five hundred forty-three".