11403124042 has 8 divisors (see below), whose sum is σ = 17105192100. Its totient is φ = 5701393344.

The previous prime is 11403124013. The next prime is 11403124043. The reversal of 11403124042 is 24042130411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11127929121 + 275194921 = 105489^2 + 16589^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11403124043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32584 + ... + 154492.

Almost surely, 2^11403124042 is an apocalyptic number.

11403124042 is a deficient number, since it is larger than the sum of its proper divisors (5702068058).

11403124042 is a wasteful number, since it uses less digits than its factorization.

11403124042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168680.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11403124042 its reverse (24042130411), we get a palindrome (35445254453).

The spelling of 11403124042 in words is "eleven billion, four hundred three million, one hundred twenty-four thousand, forty-two".