11403043042 has 8 divisors (see below), whose sum is σ = 17105191596. Its totient is φ = 5701312512.

The previous prime is 11403043027. The next prime is 11403043079. The reversal of 11403043042 is 24034030411.

It can be written as a sum of positive squares in 2 ways, for example, as 9600276361 + 1802766681 = 97981^2 + 42459^2 .

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

It is a super-2 number, since 2×11403043042² (a number of 21 digits) contains 22 as substring.

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, 23863 + ... + 152890.

Almost surely, 2^11403043042 is an apocalyptic number.

11403043042 is a deficient number, since it is larger than the sum of its proper divisors (5702148554).

11403043042 is a wasteful number, since it uses less digits than its factorization.

11403043042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209012.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11403043042 its reverse (24034030411), we get a palindrome (35437073453).

The spelling of 11403043042 in words is "eleven billion, four hundred three million, forty-three thousand, forty-two".