11543650117857 has 24 divisors (see below), whose sum is σ = 19589224444608. Its totient is φ = 6457986079200.

The previous prime is 11543650117789. The next prime is 11543650117871. The reversal of 11543650117857 is 75871105634511.

It is a happy number.

11543650117857 is a `hidden beast` number, since 1 + 1 + 5 + 43 + 6 + 501 + 17 + 85 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-11543650117857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11543650127857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4484711269 + ... + 4484713842.

It is an arithmetic number, because the mean of its divisors is an integer number (816217685192).

Almost surely, 2^{11543650117857} is an apocalyptic number.

It is an amenable number.

11543650117857 is a deficient number, since it is larger than the sum of its proper divisors (8045574326751).

11543650117857 is a wasteful number, since it uses less digits than its factorization.

11543650117857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969425141 (or 8969425138 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 54.

The spelling of 11543650117857 in words is "eleven trillion, five hundred forty-three billion, six hundred fifty million, one hundred seventeen thousand, eight hundred fifty-seven".