11356798479489 has 8 divisors (see below), whose sum is σ = 16824886636320. Its totient is φ = 7571198986308.

The previous prime is 11356798479449. The next prime is 11356798479491. The reversal of 11356798479489 is 98497489765311.

11356798479489 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 6 + 7 + 98 + 47 + 9 + 489 = 666.

It is not a de Polignac number, because 11356798479489 - 2⁸ = 11356798479233 is a prime.

It is a super-2 number, since 2×11356798479489² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11356798479449) 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, 210311082927 + ... + 210311082980.

It is an arithmetic number, because the mean of its divisors is an integer number (2103110829540).

Almost surely, 2^{11356798479489} is an apocalyptic number.

It is an amenable number.

11356798479489 is a deficient number, since it is larger than the sum of its proper divisors (5468088156831).

11356798479489 is an equidigital number, since it uses as much as digits as its factorization.

11356798479489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420622165916 (or 420622165910 counting only the distinct ones).

The product of its digits is 3292047360, while the sum is 81.

The spelling of 11356798479489 in words is "eleven trillion, three hundred fifty-six billion, seven hundred ninety-eight million, four hundred seventy-nine thousand, four hundred eighty-nine".