11405214243 has 12 divisors (see below), whose sum is σ = 16594449768. Its totient is φ = 7547975520.

The previous prime is 11405214229. The next prime is 11405214259. The reversal of 11405214243 is 34241250411.

11405214243 is a `hidden beast` number, since 1 + 1 + 405 + 2 + 14 + 243 = 666.

11405214243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11405214243 - 2⁵ = 11405214211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11405214283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4623753 + ... + 4626218.

It is an arithmetic number, because the mean of its divisors is an integer number (1382870814).

Almost surely, 2^11405214243 is an apocalyptic number.

11405214243 is a deficient number, since it is larger than the sum of its proper divisors (5189235525).

11405214243 is a wasteful number, since it uses less digits than its factorization.

11405214243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9250114 (or 9250111 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 11405214243 its reverse (34241250411), we get a palindrome (45646464654).

The spelling of 11405214243 in words is "eleven billion, four hundred five million, two hundred fourteen thousand, two hundred forty-three".