11657548171 has 8 divisors (see below), whose sum is σ = 12054472064. Its totient is φ = 11261928960.

The previous prime is 11657548157. The next prime is 11657548307. The reversal of 11657548171 is 17184575611.

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

It is a cyclic number.

It is not a de Polignac number, because 11657548171 - 2⁹ = 11657547659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11657548471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307980 + ... + 343753.

It is an arithmetic number, because the mean of its divisors is an integer number (1506809008).

Almost surely, 2^11657548171 is an apocalyptic number.

11657548171 is a deficient number, since it is larger than the sum of its proper divisors (396923893).

11657548171 is an equidigital number, since it uses as much as digits as its factorization.

11657548171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652341.

The product of its digits is 235200, while the sum is 46.

The spelling of 11657548171 in words is "eleven billion, six hundred fifty-seven million, five hundred forty-eight thousand, one hundred seventy-one".