11665109469836 has 24 divisors (see below), whose sum is σ = 20700906455040. Its totient is φ = 5751128274192.

The previous prime is 11665109469817. The next prime is 11665109469841. The reversal of 11665109469836 is 63896490156611.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70355276 + ... + 70520883.

It is an arithmetic number, because the mean of its divisors is an integer number (862537768960).

Almost surely, 2^{11665109469836} is an apocalyptic number.

It is an amenable number.

11665109469836 is a deficient number, since it is larger than the sum of its proper divisors (9035796985204).

11665109469836 is a wasteful number, since it uses less digits than its factorization.

11665109469836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140876453 (or 140876451 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 65.

The spelling of 11665109469836 in words is "eleven trillion, six hundred sixty-five billion, one hundred nine million, four hundred sixty-nine thousand, eight hundred thirty-six".