11865079894 has 16 divisors (see below), whose sum is σ = 18417394800. Its totient is φ = 5726083104.

The previous prime is 11865079823. The next prime is 11865079901. The reversal of 11865079894 is 49897056811.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

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, 152752 + ... + 216940.

It is an arithmetic number, because the mean of its divisors is an integer number (1151087175).

Almost surely, 2^11865079894 is an apocalyptic number.

11865079894 is a deficient number, since it is larger than the sum of its proper divisors (6552314906).

11865079894 is a wasteful number, since it uses less digits than its factorization.

11865079894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67407.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 11865079894 in words is "eleven billion, eight hundred sixty-five million, seventy-nine thousand, eight hundred ninety-four".