11013220440243 has 12 divisors (see below), whose sum is σ = 18180554377648. Its totient is φ = 6293268822960.

The previous prime is 11013220440217. The next prime is 11013220440251. The reversal of 11013220440243 is 34204402231011.

11013220440243 is a `hidden beast` number, since 1 + 1 + 0 + 13 + 2 + 204 + 402 + 43 = 666.

It is not a de Polignac number, because 11013220440243 - 2¹⁶ = 11013220374707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013220440643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87406511368 + ... + 87406511493.

Almost surely, 2^{11013220440243} is an apocalyptic number.

11013220440243 is a deficient number, since it is larger than the sum of its proper divisors (7167333937405).

11013220440243 is a wasteful number, since it uses less digits than its factorization.

11013220440243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174813022874 (or 174813022871 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11013220440243 its reverse (34204402231011), we get a palindrome (45217622671254).

The spelling of 11013220440243 in words is "eleven trillion, thirteen billion, two hundred twenty million, four hundred forty thousand, two hundred forty-three".