11988033005 has 8 divisors (see below), whose sum is σ = 15492227352. Its totient is φ = 8852701248.

The previous prime is 11988032989. The next prime is 11988033053. The reversal of 11988033005 is 50033088911.

It can be written as a sum of positive squares in 4 ways, for example, as 1942781929 + 10045251076 = 44077^2 + 100226^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11988033005 - 2⁴ = 11988032989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11988033005.

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, 92215574 + ... + 92215703.

It is an arithmetic number, because the mean of its divisors is an integer number (1936528419).

Almost surely, 2^11988033005 is an apocalyptic number.

It is an amenable number.

11988033005 is a deficient number, since it is larger than the sum of its proper divisors (3504194347).

11988033005 is a wasteful number, since it uses less digits than its factorization.

11988033005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184431295.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 11988033005 in words is "eleven billion, nine hundred eighty-eight million, thirty-three thousand, five".