11266063543 has 4 divisors (see below), whose sum is σ = 12875501200. Its totient is φ = 9656625888.

The previous prime is 11266063541. The next prime is 11266063577. The reversal of 11266063543 is 34536066211.

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

It is not a de Polignac number, because 11266063543 - 2¹ = 11266063541 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 (11266063541) 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, 804718818 + ... + 804718831.

It is an arithmetic number, because the mean of its divisors is an integer number (3218875300).

Almost surely, 2^11266063543 is an apocalyptic number.

11266063543 is a deficient number, since it is larger than the sum of its proper divisors (1609437657).

11266063543 is an equidigital number, since it uses as much as digits as its factorization.

11266063543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609437656.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 11266063543 in words is "eleven billion, two hundred sixty-six million, sixty-three thousand, five hundred forty-three".