11685000571 has 2 divisors, whose sum is σ = 11685000572. Its totient is φ = 11685000570.

The previous prime is 11685000559. The next prime is 11685000619. The reversal of 11685000571 is 17500058611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11685000571 - 2¹³ = 11684992379 is a prime.

It is not a weakly prime, because it can be changed into another prime (11685000871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5842500285 + 5842500286.

It is an arithmetic number, because the mean of its divisors is an integer number (5842500286).

Almost surely, 2^11685000571 is an apocalyptic number.

11685000571 is a deficient number, since it is larger than the sum of its proper divisors (1).

11685000571 is an equidigital number, since it uses as much as digits as its factorization.

11685000571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 34.

The spelling of 11685000571 in words is "eleven billion, six hundred eighty-five million, five hundred seventy-one", and thus it is an aban number.