11240203565143 has 4 divisors (see below), whose sum is σ = 12845946931600. Its totient is φ = 9634460198688.

The previous prime is 11240203565069. The next prime is 11240203565183. The reversal of 11240203565143 is 34156530204211.

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 11240203565143 - 2⁹ = 11240203564631 is a prime.

It is a super-2 number, since 2×11240203565143² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240203565183) 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, 802871683218 + ... + 802871683231.

It is an arithmetic number, because the mean of its divisors is an integer number (3211486732900).

Almost surely, 2^{11240203565143} is an apocalyptic number.

11240203565143 is a deficient number, since it is larger than the sum of its proper divisors (1605743366457).

11240203565143 is an equidigital number, since it uses as much as digits as its factorization.

11240203565143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605743366456.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 11240203565143 its reverse (34156530204211), we get a palindrome (45396733769354).

The spelling of 11240203565143 in words is "eleven trillion, two hundred forty billion, two hundred three million, five hundred sixty-five thousand, one hundred forty-three".