11403243442 has 8 divisors (see below), whose sum is σ = 18111033756. Its totient is φ = 5366232192.

The previous prime is 11403243427. The next prime is 11403243451. The reversal of 11403243442 is 24434230411.

It can be written as a sum of positive squares in 2 ways, for example, as 11027310121 + 375933321 = 105011^2 + 19389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11403243442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167694723 + ... + 167694790.

Almost surely, 2^11403243442 is an apocalyptic number.

11403243442 is a deficient number, since it is larger than the sum of its proper divisors (6707790314).

11403243442 is a wasteful number, since it uses less digits than its factorization.

11403243442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335389532.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 11403243442 its reverse (24434230411), we get a palindrome (35837473853).

The spelling of 11403243442 in words is "eleven billion, four hundred three million, two hundred forty-three thousand, four hundred forty-two".