11852579966 has 32 divisors (see below), whose sum is σ = 18673156800. Its totient is φ = 5634639360.

The previous prime is 11852579951. The next prime is 11852579969. The reversal of 11852579966 is 66997525811.

It is a super-2 number, since 2×11852579966² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11852579969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6130736 + ... + 6132668.

It is an arithmetic number, because the mean of its divisors is an integer number (583536150).

Almost surely, 2^11852579966 is an apocalyptic number.

11852579966 is a deficient number, since it is larger than the sum of its proper divisors (6820576834).

11852579966 is a wasteful number, since it uses less digits than its factorization.

11852579966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524.

The product of its digits is 8164800, while the sum is 59.

The spelling of 11852579966 in words is "eleven billion, eight hundred fifty-two million, five hundred seventy-nine thousand, nine hundred sixty-six".