11660343535 has 4 divisors (see below), whose sum is σ = 13992412248. Its totient is φ = 9328274824.

The previous prime is 11660343449. The next prime is 11660343547. The reversal of 11660343535 is 53534306611.

It is a happy number.

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 11660343535 - 2⁷ = 11660343407 is a prime.

It is a super-2 number, since 2×11660343535² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11660343494 and 11660343503.

It is a congruent 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, 1166034349 + ... + 1166034358.

It is an arithmetic number, because the mean of its divisors is an integer number (3498103062).

Almost surely, 2^11660343535 is an apocalyptic number.

11660343535 is a deficient number, since it is larger than the sum of its proper divisors (2332068713).

11660343535 is an equidigital number, since it uses as much as digits as its factorization.

11660343535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332068712.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 11660343535 in words is "eleven billion, six hundred sixty million, three hundred forty-three thousand, five hundred thirty-five".