11124040013 has 8 divisors (see below), whose sum is σ = 11175505848. Its totient is φ = 11072606464.

The previous prime is 11124040003. The next prime is 11124040027. The reversal of 11124040013 is 31004042111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5455004164 + 5669035849 = 73858^2 + 75293^2 .

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 11124040013 - 2¹⁴ = 11124023629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11124039973 and 11124040000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11124040003) 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, 929081 + ... + 940977.

It is an arithmetic number, because the mean of its divisors is an integer number (1396938231).

Almost surely, 2^11124040013 is an apocalyptic number.

It is an amenable number.

11124040013 is a deficient number, since it is larger than the sum of its proper divisors (51465835).

11124040013 is a wasteful number, since it uses less digits than its factorization.

11124040013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16143.

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

Adding to 11124040013 its reverse (31004042111), we get a palindrome (42128082124).

The spelling of 11124040013 in words is "eleven billion, one hundred twenty-four million, forty thousand, thirteen".