11515011613241 has 2 divisors, whose sum is σ = 11515011613242. Its totient is φ = 11515011613240.

The previous prime is 11515011613211. The next prime is 11515011613361. The reversal of 11515011613241 is 14231611051511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11509056250000 + 5955363241 = 3392500^2 + 77171^2 .

It is a cyclic number.

It is not a de Polignac number, because 11515011613241 - 2¹⁰ = 11515011612217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11515011613198 and 11515011613207.

It is not a weakly prime, because it can be changed into another prime (11515011613211) by changing a digit.

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 as a sum of consecutive naturals, namely, 5757505806620 + 5757505806621.

It is an arithmetic number, because the mean of its divisors is an integer number (5757505806621).

Almost surely, 2^{11515011613241} is an apocalyptic number.

It is an amenable number.

11515011613241 is a deficient number, since it is larger than the sum of its proper divisors (1).

11515011613241 is an equidigital number, since it uses as much as digits as its factorization.

11515011613241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 32.

Adding to 11515011613241 its reverse (14231611051511), we get a palindrome (25746622664752).

The spelling of 11515011613241 in words is "eleven trillion, five hundred fifteen billion, eleven million, six hundred thirteen thousand, two hundred forty-one".