11798680805 has 8 divisors (see below), whose sum is σ = 14541077112. Its totient is φ = 9183837888.

The previous prime is 11798680787. The next prime is 11798680841. The reversal of 11798680805 is 50808689711.

It can be written as a sum of positive squares in 4 ways, for example, as 2444115844 + 9354564961 = 49438^2 + 96719^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11798680805 - 2¹⁴ = 11798664421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31888142 + ... + 31888511.

It is an arithmetic number, because the mean of its divisors is an integer number (1817634639).

Almost surely, 2^11798680805 is an apocalyptic number.

It is an amenable number.

11798680805 is a deficient number, since it is larger than the sum of its proper divisors (2742396307).

11798680805 is an equidigital number, since it uses as much as digits as its factorization.

11798680805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63776695.

The product of its (nonzero) digits is 967680, while the sum is 53.

The spelling of 11798680805 in words is "eleven billion, seven hundred ninety-eight million, six hundred eighty thousand, eight hundred five".