11798014409 has 8 divisors (see below), whose sum is σ = 12115337640. Its totient is φ = 11482099200.

The previous prime is 11798014321. The next prime is 11798014421. The reversal of 11798014409 is 90441089711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1199929600 + 10598084809 = 34640^2 + 102947^2 .

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

It is not a de Polignac number, because 11798014409 - 2²⁸ = 11529578953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11798014409.

It is not an unprimeable number, because it can be changed into a prime (11798014439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335012 + ... + 368549.

It is an arithmetic number, because the mean of its divisors is an integer number (1514417205).

Almost surely, 2^11798014409 is an apocalyptic number.

It is an amenable number.

11798014409 is a deficient number, since it is larger than the sum of its proper divisors (317323231).

11798014409 is an equidigital number, since it uses as much as digits as its factorization.

11798014409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704011.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 11798014409 in words is "eleven billion, seven hundred ninety-eight million, fourteen thousand, four hundred nine".