11662516201065 has 16 divisors (see below), whose sum is σ = 18915642716928. Its totient is φ = 6134803042176.

The previous prime is 11662516201031. The next prime is 11662516201159. The reversal of 11662516201065 is 56010261526611.

It is not a de Polignac number, because 11662516201065 - 2¹¹ = 11662516199017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5325348769 + ... + 5325350958.

It is an arithmetic number, because the mean of its divisors is an integer number (1182227669808).

Almost surely, 2^{11662516201065} is an apocalyptic number.

11662516201065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11662516201065 is a deficient number, since it is larger than the sum of its proper divisors (7253126515863).

11662516201065 is a wasteful number, since it uses less digits than its factorization.

11662516201065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10650699808.

The product of its (nonzero) digits is 129600, while the sum is 42.

Adding to 11662516201065 its reverse (56010261526611), we get a palindrome (67672777727676).

The spelling of 11662516201065 in words is "eleven trillion, six hundred sixty-two billion, five hundred sixteen million, two hundred one thousand, sixty-five".