11705789798 has 4 divisors (see below), whose sum is σ = 17558684700. Its totient is φ = 5852894898.

The previous prime is 11705789791. The next prime is 11705789801. The reversal of 11705789798 is 89798750711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11705789798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11705789791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2926447448 + ... + 2926447451.

It is an arithmetic number, because the mean of its divisors is an integer number (4389671175).

Almost surely, 2^11705789798 is an apocalyptic number.

11705789798 is a deficient number, since it is larger than the sum of its proper divisors (5852894902).

11705789798 is an equidigital number, since it uses as much as digits as its factorization.

11705789798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5852894901.

The product of its (nonzero) digits is 8890560, while the sum is 62.

The spelling of 11705789798 in words is "eleven billion, seven hundred five million, seven hundred eighty-nine thousand, seven hundred ninety-eight".