13112403243011 has 4 divisors (see below), whose sum is σ = 13123072408800. Its totient is φ = 13101734077224.

The previous prime is 13112403242843. The next prime is 13112403243041. The reversal of 13112403243011 is 11034230421131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13112403243011 - 2³⁸ = 12837525336067 is a prime.

It is a super-2 number, since 2×13112403243011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112403243041) 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, 5334581051 + ... + 5334583508.

It is an arithmetic number, because the mean of its divisors is an integer number (3280768102200).

Almost surely, 2^{13112403243011} is an apocalyptic number.

13112403243011 is a deficient number, since it is larger than the sum of its proper divisors (10669165789).

13112403243011 is a wasteful number, since it uses less digits than its factorization.

13112403243011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669165788.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 13112403243011 its reverse (11034230421131), we get a palindrome (24146633664142).

The spelling of 13112403243011 in words is "thirteen trillion, one hundred twelve billion, four hundred three million, two hundred forty-three thousand, eleven".