11115206604613 has 16 divisors (see below), whose sum is σ = 11880868950720. Its totient is φ = 10367768797056.

The previous prime is 11115206604559. The next prime is 11115206604617. The reversal of 11115206604613 is 31640660251111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11115206604613 - 2⁹ = 11115206604101 is a prime.

It is a super-2 number, since 2×11115206604613² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115206604617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298881 + ... + 4724377.

It is an arithmetic number, because the mean of its divisors is an integer number (742554309420).

Almost surely, 2^{11115206604613} is an apocalyptic number.

It is an amenable number.

11115206604613 is a deficient number, since it is larger than the sum of its proper divisors (765662346107).

11115206604613 is a wasteful number, since it uses less digits than its factorization.

11115206604613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427556.

The product of its (nonzero) digits is 25920, while the sum is 37.

Adding to 11115206604613 its reverse (31640660251111), we get a palindrome (42755866855724).

The spelling of 11115206604613 in words is "eleven trillion, one hundred fifteen billion, two hundred six million, six hundred four thousand, six hundred thirteen".