11405104041243 has 16 divisors (see below), whose sum is σ = 16636775904000. Its totient is φ = 6892378574880.

The previous prime is 11405104041241. The next prime is 11405104041257. The reversal of 11405104041243 is 34214040150411.

It is not a de Polignac number, because 11405104041243 - 2¹ = 11405104041241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11405104041243.

It is not an unprimeable number, because it can be changed into a prime (11405104041241) 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, 495130623 + ... + 495153656.

It is an arithmetic number, because the mean of its divisors is an integer number (1039798494000).

Almost surely, 2^{11405104041243} is an apocalyptic number.

11405104041243 is a deficient number, since it is larger than the sum of its proper divisors (5231671862757).

11405104041243 is a wasteful number, since it uses less digits than its factorization.

11405104041243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990284642.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 11405104041243 its reverse (34214040150411), we get a palindrome (45619144191654).

The spelling of 11405104041243 in words is "eleven trillion, four hundred five billion, one hundred four million, forty-one thousand, two hundred forty-three".