11051305600243 has 4 divisors (see below), whose sum is σ = 11092388520960. Its totient is φ = 11010222679528.

The previous prime is 11051305600177. The next prime is 11051305600261. The reversal of 11051305600243 is 34200650315011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11051305600243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11051303600243) 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, 20541459955 + ... + 20541460492.

It is an arithmetic number, because the mean of its divisors is an integer number (2773097130240).

Almost surely, 2^{11051305600243} is an apocalyptic number.

11051305600243 is a deficient number, since it is larger than the sum of its proper divisors (41082920717).

11051305600243 is an equidigital number, since it uses as much as digits as its factorization.

11051305600243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41082920716.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 11051305600243 its reverse (34200650315011), we get a palindrome (45251955915254).

The spelling of 11051305600243 in words is "eleven trillion, fifty-one billion, three hundred five million, six hundred thousand, two hundred forty-three".