11685369601 has 4 divisors (see below), whose sum is σ = 11692642752. Its totient is φ = 11678096452.

The previous prime is 11685369599. The next prime is 11685369613. The reversal of 11685369601 is 10696358611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11685369601 - 2¹ = 11685369599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11685361601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3634165 + ... + 3637378.

It is an arithmetic number, because the mean of its divisors is an integer number (2923160688).

Almost surely, 2^11685369601 is an apocalyptic number.

It is an amenable number.

11685369601 is a deficient number, since it is larger than the sum of its proper divisors (7273151).

11685369601 is an equidigital number, since it uses as much as digits as its factorization.

11685369601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7273150.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 11685369601 in words is "eleven billion, six hundred eighty-five million, three hundred sixty-nine thousand, six hundred one".