11356913357789 has 4 divisors (see below), whose sum is σ = 11850692199456. Its totient is φ = 10863134516124.

The previous prime is 11356913357767. The next prime is 11356913357809. The reversal of 11356913357789 is 98775331965311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11356913357789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11356913357189) 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 3 ways as a sum of consecutive naturals, for example, 246889420799 + ... + 246889420844.

It is an arithmetic number, because the mean of its divisors is an integer number (2962673049864).

Almost surely, 2^{11356913357789} is an apocalyptic number.

It is an amenable number.

11356913357789 is a deficient number, since it is larger than the sum of its proper divisors (493778841667).

11356913357789 is an equidigital number, since it uses as much as digits as its factorization.

11356913357789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493778841666.

The product of its digits is 128595600, while the sum is 68.

The spelling of 11356913357789 in words is "eleven trillion, three hundred fifty-six billion, nine hundred thirteen million, three hundred fifty-seven thousand, seven hundred eighty-nine".