11857385838495 has 32 divisors (see below), whose sum is σ = 19258719667200. Its totient is φ = 6228487354880.

The previous prime is 11857385838401. The next prime is 11857385838503. The reversal of 11857385838495 is 59483858375811.

It is not a de Polignac number, because 11857385838495 - 2¹⁰ = 11857385837471 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4657395 + ... + 6738404.

It is an arithmetic number, because the mean of its divisors is an integer number (601834989600).

Almost surely, 2^{11857385838495} is an apocalyptic number.

11857385838495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11857385838495 is a deficient number, since it is larger than the sum of its proper divisors (7401333828705).

11857385838495 is a wasteful number, since it uses less digits than its factorization.

11857385838495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11396855.

The product of its digits is 1161216000, while the sum is 75.

The spelling of 11857385838495 in words is "eleven trillion, eight hundred fifty-seven billion, three hundred eighty-five million, eight hundred thirty-eight thousand, four hundred ninety-five".