11115134425613 has 4 divisors (see below), whose sum is σ = 11115144626400. Its totient is φ = 11115124224828.

The previous prime is 11115134425607. The next prime is 11115134425649. The reversal of 11115134425613 is 31652443151111.

11115134425613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11115134425613 - 2²⁸ = 11114865990157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115134425663) 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, 3239663 + ... + 5720636.

It is an arithmetic number, because the mean of its divisors is an integer number (2778786156600).

Almost surely, 2^{11115134425613} is an apocalyptic number.

It is an amenable number.

11115134425613 is a deficient number, since it is larger than the sum of its proper divisors (10200787).

11115134425613 is an equidigital number, since it uses as much as digits as its factorization.

11115134425613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10200786.

The product of its digits is 43200, while the sum is 38.

Adding to 11115134425613 its reverse (31652443151111), we get a palindrome (42767577576724).

The spelling of 11115134425613 in words is "eleven trillion, one hundred fifteen billion, one hundred thirty-four million, four hundred twenty-five thousand, six hundred thirteen".