11983412220279 has 32 divisors (see below), whose sum is σ = 16126843392000. Its totient is φ = 7914751104000.

The previous prime is 11983412220161. The next prime is 11983412220361. The reversal of 11983412220279 is 97202221438911.

It is a happy number.

It is not a de Polignac number, because 11983412220279 - 2⁴³ = 3187319198071 is a prime.

It is a super-2 number, since 2×11983412220279² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11983412220079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 785120602 + ... + 785135864.

It is an arithmetic number, because the mean of its divisors is an integer number (503963856000).

Almost surely, 2^{11983412220279} is an apocalyptic number.

11983412220279 is a deficient number, since it is larger than the sum of its proper divisors (4143431171721).

11983412220279 is a wasteful number, since it uses less digits than its factorization.

11983412220279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19855.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 11983412220279 in words is "eleven trillion, nine hundred eighty-three billion, four hundred twelve million, two hundred twenty thousand, two hundred seventy-nine".