11042040113 has 8 divisors (see below), whose sum is σ = 11911489128. Its totient is φ = 10175457024.

The previous prime is 11042040109. The next prime is 11042040137. The reversal of 11042040113 is 31104024011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 181899169 + 10860140944 = 13487^2 + 104212^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11042040113 - 2² = 11042040109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11042040091 and 11042040100.

It is not an unprimeable number, because it can be changed into a prime (11042640113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708470 + ... + 723887.

It is an arithmetic number, because the mean of its divisors is an integer number (1488936141).

Almost surely, 2^11042040113 is an apocalyptic number.

11042040113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11042040113 is a deficient number, since it is larger than the sum of its proper divisors (869449015).

11042040113 is a wasteful number, since it uses less digits than its factorization.

11042040113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432963.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11042040113 its reverse (31104024011), we get a palindrome (42146064124).

The spelling of 11042040113 in words is "eleven billion, forty-two million, forty thousand, one hundred thirteen".