11520515465066 has 128 divisors (see below), whose sum is σ = 20521413918720. Its totient is φ = 4809604580352.

The previous prime is 11520515464963. The next prime is 11520515465071. The reversal of 11520515465066 is 66056451502511.

It is a self number, because there is not a number n which added to its sum of digits gives 11520515465066.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 367734695 + ... + 367766021.

It is an arithmetic number, because the mean of its divisors is an integer number (160323546240).

Almost surely, 2^{11520515465066} is an apocalyptic number.

11520515465066 is a deficient number, since it is larger than the sum of its proper divisors (9000898453654).

11520515465066 is a wasteful number, since it uses less digits than its factorization.

11520515465066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31908.

The product of its (nonzero) digits is 1080000, while the sum is 47.

Adding to 11520515465066 its reverse (66056451502511), we get a palindrome (77576966967577).

The spelling of 11520515465066 in words is "eleven trillion, five hundred twenty billion, five hundred fifteen million, four hundred sixty-five thousand, sixty-six".