11340143663 has 4 divisors (see below), whose sum is σ = 11342316768. Its totient is φ = 11337970560.

The previous prime is 11340143611. The next prime is 11340143687. The reversal of 11340143663 is 36634104311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36634104311 = 7 ⋅5233443473.

It is a cyclic number.

It is not a de Polignac number, because 11340143663 - 2¹⁸ = 11339881519 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 (11340143603) 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, 1078706 + ... + 1089167.

It is an arithmetic number, because the mean of its divisors is an integer number (2835579192).

Almost surely, 2^11340143663 is an apocalyptic number.

11340143663 is a deficient number, since it is larger than the sum of its proper divisors (2173105).

11340143663 is an equidigital number, since it uses as much as digits as its factorization.

11340143663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173104.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 11340143663 its reverse (36634104311), we get a palindrome (47974247974).

The spelling of 11340143663 in words is "eleven billion, three hundred forty million, one hundred forty-three thousand, six hundred sixty-three".