11335465665 has 12 divisors (see below), whose sum is σ = 19648140564. Its totient is φ = 6045581664.

The previous prime is 11335465627. The next prime is 11335465703. The reversal of 11335465665 is 56656453311.

It is a happy number.

11335465665 is a `hidden beast` number, since 1 + 1 + 33 + 54 + 6 + 566 + 5 = 666.

11335465665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11335465627) and next prime (11335465703).

It can be written as a sum of positive squares in 2 ways, for example, as 1177244721 + 10158220944 = 34311^2 + 100788^2 .

It is not a de Polignac number, because 11335465665 - 2⁸ = 11335465409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 251899237 = 11335465665 / (1 + 1 + 3 + 3 + 5 + 4 + 6 + 5 + 6 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11335465665.

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 11 ways as a sum of consecutive naturals, for example, 125949574 + ... + 125949663.

It is an arithmetic number, because the mean of its divisors is an integer number (1637345047).

Almost surely, 2^11335465665 is an apocalyptic number.

11335465665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11335465665 is a deficient number, since it is larger than the sum of its proper divisors (8312674899).

11335465665 is a wasteful number, since it uses less digits than its factorization.

11335465665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251899248 (or 251899245 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The spelling of 11335465665 in words is "eleven billion, three hundred thirty-five million, four hundred sixty-five thousand, six hundred sixty-five".