11857463436785 has 8 divisors (see below), whose sum is σ = 14234098517376. Its totient is φ = 9482542487280.

The previous prime is 11857463436761. The next prime is 11857463436803. The reversal of 11857463436785 is 58763436475811.

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

It is a de Polignac number, because none of the positive numbers 2^k-11857463436785 is a prime.

It is a super-3 number, since 3×11857463436785³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428517551 + ... + 428545220.

It is an arithmetic number, because the mean of its divisors is an integer number (1779262314672).

Almost surely, 2^{11857463436785} is an apocalyptic number.

It is an amenable number.

11857463436785 is a deficient number, since it is larger than the sum of its proper divisors (2376635080591).

11857463436785 is an equidigital number, since it uses as much as digits as its factorization.

11857463436785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857065543.

The product of its digits is 406425600, while the sum is 68.

The spelling of 11857463436785 in words is "eleven trillion, eight hundred fifty-seven billion, four hundred sixty-three million, four hundred thirty-six thousand, seven hundred eighty-five".