11115134426065 has 4 divisors (see below), whose sum is σ = 13338161311284. Its totient is φ = 8892107540848.

The previous prime is 11115134426063. The next prime is 11115134426177. The reversal of 11115134426065 is 56062443151111.

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 6845637917889 + 4269496508176 = 2616417^2 + 2066276^2 .

It is a cyclic number.

It is not a de Polignac number, because 11115134426065 - 2¹ = 11115134426063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11115134426063) 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, 1111513442602 + ... + 1111513442611.

It is an arithmetic number, because the mean of its divisors is an integer number (3334540327821).

Almost surely, 2^{11115134426065} is an apocalyptic number.

It is an amenable number.

11115134426065 is a deficient number, since it is larger than the sum of its proper divisors (2223026885219).

11115134426065 is an equidigital number, since it uses as much as digits as its factorization.

11115134426065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223026885218.

The product of its (nonzero) digits is 86400, while the sum is 40.

Adding to 11115134426065 its reverse (56062443151111), we get a palindrome (67177577577176).

The spelling of 11115134426065 in words is "eleven trillion, one hundred fifteen billion, one hundred thirty-four million, four hundred twenty-six thousand, sixty-five".