11756838085 has 8 divisors (see below), whose sum is σ = 14121635616. Its totient is φ = 9396517200.

The previous prime is 11756838047. The next prime is 11756838089. The reversal of 11756838085 is 58083865711.

It is a happy number.

11756838085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11756838085 - 2²³ = 11748449477 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 (11756838089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113379 + ... + 1123888.

It is an arithmetic number, because the mean of its divisors is an integer number (1765204452).

Almost surely, 2^11756838085 is an apocalyptic number.

It is an amenable number.

11756838085 is a deficient number, since it is larger than the sum of its proper divisors (2364797531).

11756838085 is a wasteful number, since it uses less digits than its factorization.

11756838085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238323.

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 11756838085 in words is "eleven billion, seven hundred fifty-six million, eight hundred thirty-eight thousand, eighty-five".