11315500440005 has 16 divisors (see below), whose sum is σ = 14047498882800. Its totient is φ = 8739831260160.

The previous prime is 11315500439987. The next prime is 11315500440061. The reversal of 11315500440005 is 50004400551311.

It can be written as a sum of positive squares in 8 ways, for example, as 929569796164 + 10385930643841 = 964142^2 + 3222721^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11315500440005 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 11315500440005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201181 + ... + 4906509.

It is an arithmetic number, because the mean of its divisors is an integer number (877968680175).

Almost surely, 2^{11315500440005} is an apocalyptic number.

It is an amenable number.

11315500440005 is a deficient number, since it is larger than the sum of its proper divisors (2731998442795).

11315500440005 is a wasteful number, since it uses less digits than its factorization.

11315500440005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726424.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 11315500440005 its reverse (50004400551311), we get a palindrome (61319900991316).

The spelling of 11315500440005 in words is "eleven trillion, three hundred fifteen billion, five hundred million, four hundred forty thousand, five".