11735915805385 has 4 divisors (see below), whose sum is σ = 14083098966468. Its totient is φ = 9388732644304.

The previous prime is 11735915805377. The next prime is 11735915805403. The reversal of 11735915805385 is 58350851953711.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8873583068736 + 2862332736649 = 2978856^2 + 1691843^2 .

It is a cyclic number.

It is not a de Polignac number, because 11735915805385 - 2³ = 11735915805377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173591580534 + ... + 1173591580543.

It is an arithmetic number, because the mean of its divisors is an integer number (3520774741617).

Almost surely, 2^{11735915805385} is an apocalyptic number.

It is an amenable number.

11735915805385 is a deficient number, since it is larger than the sum of its proper divisors (2347183161083).

11735915805385 is an equidigital number, since it uses as much as digits as its factorization.

11735915805385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347183161082.

The product of its (nonzero) digits is 22680000, while the sum is 61.

The spelling of 11735915805385 in words is "eleven trillion, seven hundred thirty-five billion, nine hundred fifteen million, eight hundred five thousand, three hundred eighty-five".