11513016660235 has 4 divisors (see below), whose sum is σ = 13815619992288. Its totient is φ = 9210413328184.

The previous prime is 11513016660221. The next prime is 11513016660251. The reversal of 11513016660235 is 53206661031511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11513016660235 - 2²⁹ = 11512479789323 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 1151301666019 + ... + 1151301666028.

It is an arithmetic number, because the mean of its divisors is an integer number (3453904998072).

Almost surely, 2^{11513016660235} is an apocalyptic number.

11513016660235 is a deficient number, since it is larger than the sum of its proper divisors (2302603332053).

11513016660235 is an equidigital number, since it uses as much as digits as its factorization.

11513016660235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302603332052.

The product of its (nonzero) digits is 97200, while the sum is 40.

Adding to 11513016660235 its reverse (53206661031511), we get a palindrome (64719677691746).

The spelling of 11513016660235 in words is "eleven trillion, five hundred thirteen billion, sixteen million, six hundred sixty thousand, two hundred thirty-five".