17381079911 has 4 divisors (see below), whose sum is σ = 18718086072. Its totient is φ = 16044073752.

The previous prime is 17381079889. The next prime is 17381079913. The reversal of 17381079911 is 11997018371.

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

It is a cyclic number.

It is not a de Polignac number, because 17381079911 - 2³⁴ = 201210727 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 (17381079913) 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, 668503061 + ... + 668503086.

It is an arithmetic number, because the mean of its divisors is an integer number (4679521518).

Almost surely, 2^17381079911 is an apocalyptic number.

17381079911 is a deficient number, since it is larger than the sum of its proper divisors (1337006161).

17381079911 is a wasteful number, since it uses less digits than its factorization.

17381079911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337006160.

The product of its (nonzero) digits is 95256, while the sum is 47.

The spelling of 17381079911 in words is "seventeen billion, three hundred eighty-one million, seventy-nine thousand, nine hundred eleven".