11516001065 has 8 divisors (see below), whose sum is σ = 14295725640. Its totient is φ = 8895117952.

The previous prime is 11516001017. The next prime is 11516001103. The reversal of 11516001065 is 56010061511.

11516001065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2721500224 + 8794500841 = 52168^2 + 93779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11516001065 - 2²⁴ = 11499223849 is a prime.

It is a super-2 number, since 2×11516001065² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39710204 + ... + 39710493.

It is an arithmetic number, because the mean of its divisors is an integer number (1786965705).

Almost surely, 2^11516001065 is an apocalyptic number.

It is an amenable number.

11516001065 is a deficient number, since it is larger than the sum of its proper divisors (2779724575).

11516001065 is an equidigital number, since it uses as much as digits as its factorization.

11516001065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79420731.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 11516001065 its reverse (56010061511), we get a palindrome (67526062576).

The spelling of 11516001065 in words is "eleven billion, five hundred sixteen million, one thousand, sixty-five".