11719130205 has 16 divisors (see below), whose sum is σ = 18809766144. Its totient is φ = 6230483520.

The previous prime is 11719130161. The next prime is 11719130207. The reversal of 11719130205 is 50203191711.

It is not a de Polignac number, because 11719130205 - 2¹⁷ = 11718999133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11719130207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227541 + ... + 1237050.

It is an arithmetic number, because the mean of its divisors is an integer number (1175610384).

Almost surely, 2^11719130205 is an apocalyptic number.

11719130205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11719130205 is a deficient number, since it is larger than the sum of its proper divisors (7090635939).

11719130205 is a wasteful number, since it uses less digits than its factorization.

11719130205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464916.

The product of its (nonzero) digits is 1890, while the sum is 30.

The spelling of 11719130205 in words is "eleven billion, seven hundred nineteen million, one hundred thirty thousand, two hundred five".