11515343241 has 16 divisors (see below), whose sum is σ = 16104271104. Its totient is φ = 7310484864.

The previous prime is 11515343239. The next prime is 11515343249. The reversal of 11515343241 is 14234351511.

11515343241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11515343241 - 2¹ = 11515343239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11515343199 and 11515343208.

It is not an unprimeable number, because it can be changed into a prime (11515343249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098420 + ... + 1108853.

It is an arithmetic number, because the mean of its divisors is an integer number (1006516944).

Almost surely, 2^11515343241 is an apocalyptic number.

It is an amenable number.

11515343241 is a deficient number, since it is larger than the sum of its proper divisors (4588927863).

11515343241 is a wasteful number, since it uses less digits than its factorization.

11515343241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207360.

The product of its digits is 7200, while the sum is 30.

Adding to 11515343241 its reverse (14234351511), we get a palindrome (25749694752).

The spelling of 11515343241 in words is "eleven billion, five hundred fifteen million, three hundred forty-three thousand, two hundred forty-one".