11115154530241 has 16 divisors (see below), whose sum is σ = 11403899628624. Its totient is φ = 10829420319744.

The previous prime is 11115154530169. The next prime is 11115154530289. The reversal of 11115154530241 is 14203545151111.

It can be written as a sum of positive squares in 8 ways, for example, as 1289462447025 + 9825692083216 = 1135545^2 + 3134596^2 .

It is a cyclic number.

It is not a de Polignac number, because 11115154530241 - 2²⁹ = 11114617659329 is a prime.

It is a super-2 number, since 2×11115154530241² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11115154530197 and 11115154530206.

It is not an unprimeable number, because it can be changed into a prime (11115154530341) 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, 13384821 + ... + 14190973.

It is an arithmetic number, because the mean of its divisors is an integer number (712743726789).

Almost surely, 2^{11115154530241} is an apocalyptic number.

It is an amenable number.

11115154530241 is a deficient number, since it is larger than the sum of its proper divisors (288745098383).

11115154530241 is a wasteful number, since it uses less digits than its factorization.

11115154530241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808020.

The product of its (nonzero) digits is 12000, while the sum is 34.

Adding to 11115154530241 its reverse (14203545151111), we get a palindrome (25318699681352).

The spelling of 11115154530241 in words is "eleven trillion, one hundred fifteen billion, one hundred fifty-four million, five hundred thirty thousand, two hundred forty-one".