11043101254243 has 16 divisors (see below), whose sum is σ = 11540969294400. Its totient is φ = 10546714393600.

The previous prime is 11043101254223. The next prime is 11043101254301. The reversal of 11043101254243 is 34245210134011.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11043101254243 is a prime.

It is a super-2 number, since 2×11043101254243² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11043101254223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165856263 + ... + 165922831.

It is an arithmetic number, because the mean of its divisors is an integer number (721310580900).

Almost surely, 2^{11043101254243} is an apocalyptic number.

11043101254243 is a deficient number, since it is larger than the sum of its proper divisors (497868040157).

11043101254243 is a wasteful number, since it uses less digits than its factorization.

11043101254243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77582.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 11043101254243 its reverse (34245210134011), we get a palindrome (45288311388254).

The spelling of 11043101254243 in words is "eleven trillion, forty-three billion, one hundred one million, two hundred fifty-four thousand, two hundred forty-three".