11865944075 has 12 divisors (see below), whose sum is σ = 14745702048. Its totient is φ = 9472154400.

The previous prime is 11865944063. The next prime is 11865944119. The reversal of 11865944075 is 57044956811.

It is not a de Polignac number, because 11865944075 - 2⁸ = 11865943819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503267 + ... + 526316.

It is an arithmetic number, because the mean of its divisors is an integer number (1228808504).

Almost surely, 2^11865944075 is an apocalyptic number.

11865944075 is a deficient number, since it is larger than the sum of its proper divisors (2879757973).

11865944075 is a wasteful number, since it uses less digits than its factorization.

11865944075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030054 (or 1030049 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 11865944075 in words is "eleven billion, eight hundred sixty-five million, nine hundred forty-four thousand, seventy-five".