11155342110005 has 4 divisors (see below), whose sum is σ = 13386410532012. Its totient is φ = 8924273688000.

The previous prime is 11155342109921. The next prime is 11155342110013. The reversal of 11155342110005 is 50001124355111.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8920358969809 + 2234983140196 = 2986697^2 + 1494986^2 .

It is not a de Polignac number, because 11155342110005 - 2¹² = 11155342105909 is a prime.

It is a super-2 number, since 2×11155342110005² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11155342110005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115534210996 + ... + 1115534211005.

It is an arithmetic number, because the mean of its divisors is an integer number (3346602633003).

Almost surely, 2^{11155342110005} is an apocalyptic number.

It is an amenable number.

11155342110005 is a deficient number, since it is larger than the sum of its proper divisors (2231068422007).

11155342110005 is an equidigital number, since it uses as much as digits as its factorization.

11155342110005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231068422006.

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 11155342110005 its reverse (50001124355111), we get a palindrome (61156466465116).

The spelling of 11155342110005 in words is "eleven trillion, one hundred fifty-five billion, three hundred forty-two million, one hundred ten thousand, five".