11709658420789 has 8 divisors (see below), whose sum is σ = 14169670694208. Its totient is φ = 9446447129280.

The previous prime is 11709658420763. The next prime is 11709658420871. The reversal of 11709658420789 is 98702485690711.

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

It is not a de Polignac number, because 11709658420789 - 2¹⁷ = 11709658289717 is a prime.

It is a super-2 number, since 2×11709658420789² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11709658420289) 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 7 ways as a sum of consecutive naturals, for example, 49200245347 + ... + 49200245584.

It is an arithmetic number, because the mean of its divisors is an integer number (1771208836776).

Almost surely, 2^{11709658420789} is an apocalyptic number.

It is an amenable number.

11709658420789 is a deficient number, since it is larger than the sum of its proper divisors (2460012273419).

11709658420789 is an equidigital number, since it uses as much as digits as its factorization.

11709658420789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98400490955.

The product of its (nonzero) digits is 60963840, while the sum is 67.

The spelling of 11709658420789 in words is "eleven trillion, seven hundred nine billion, six hundred fifty-eight million, four hundred twenty thousand, seven hundred eighty-nine".