11714823809 has 16 divisors (see below), whose sum is σ = 12941174400. Its totient is φ = 10536172416.

The previous prime is 11714823781. The next prime is 11714823823. The reversal of 11714823809 is 90832841711.

It is a cyclic number.

It is not a de Polignac number, because 11714823809 - 2¹⁶ = 11714758273 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11714823809.

It is not an unprimeable number, because it can be changed into a prime (11714825809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203012 + ... + 254250.

It is an arithmetic number, because the mean of its divisors is an integer number (808823400).

Almost surely, 2^11714823809 is an apocalyptic number.

It is an amenable number.

11714823809 is a deficient number, since it is larger than the sum of its proper divisors (1226350591).

11714823809 is a wasteful number, since it uses less digits than its factorization.

11714823809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51704.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 11714823809 in words is "eleven billion, seven hundred fourteen million, eight hundred twenty-three thousand, eight hundred nine".