11666044272 has 40 divisors (see below), whose sum is σ = 30141240976. Its totient is φ = 3888170496.

The previous prime is 11666044267. The next prime is 11666044277. The reversal of 11666044272 is 27244066611.

It is an interprime number because it is at equal distance from previous prime (11666044267) and next prime (11666044277).

It is a self number, because there is not a number n which added to its sum of digits gives 11666044272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666044277) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 591108 + ... + 610524.

Almost surely, 2^11666044272 is an apocalyptic number.

11666044272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11666044272 is an abundant number, since it is smaller than the sum of its proper divisors (18475196704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11666044272 is a wasteful number, since it uses less digits than its factorization.

11666044272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31945 (or 31939 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 11666044272 in words is "eleven billion, six hundred sixty-six million, forty-four thousand, two hundred seventy-two".