11809045766359 has 4 divisors (see below), whose sum is σ = 11812403474104. Its totient is φ = 11805688058616.

The previous prime is 11809045766339. The next prime is 11809045766407. The reversal of 11809045766359 is 95366754090811.

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 11809045766359 - 2¹¹ = 11809045764311 is a prime.

It is a super-2 number, since 2×11809045766359² (a number of 27 digits) contains 22 as substring.

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 11809045766359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11809045766339) 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, 1678848597 + ... + 1678855630.

It is an arithmetic number, because the mean of its divisors is an integer number (2953100868526).

Almost surely, 2^{11809045766359} is an apocalyptic number.

11809045766359 is a deficient number, since it is larger than the sum of its proper divisors (3357707745).

11809045766359 is an equidigital number, since it uses as much as digits as its factorization.

11809045766359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357707744.

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 11809045766359 in words is "eleven trillion, eight hundred nine billion, forty-five million, seven hundred sixty-six thousand, three hundred fifty-nine".