11845073401789 has 4 divisors (see below), whose sum is σ = 11845083073824. Its totient is φ = 11845063729756.

The previous prime is 11845073401787. The next prime is 11845073401793. The reversal of 11845073401789 is 98710437054811.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11845073401789 - 2¹ = 11845073401787 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 (11845073401787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678017 + ... + 5555350.

It is an arithmetic number, because the mean of its divisors is an integer number (2961270768456).

Almost surely, 2^{11845073401789} is an apocalyptic number.

It is an amenable number.

11845073401789 is a deficient number, since it is larger than the sum of its proper divisors (9672035).

11845073401789 is an equidigital number, since it uses as much as digits as its factorization.

11845073401789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9672034.

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 11845073401789 in words is "eleven trillion, eight hundred forty-five billion, seventy-three million, four hundred one thousand, seven hundred eighty-nine".