11831715568641 has 8 divisors (see below), whose sum is σ = 15775905077280. Its totient is φ = 7887668219552.

The previous prime is 11831715568591. The next prime is 11831715568669. The reversal of 11831715568641 is 14686551713811.

It is a happy number.

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 11831715568641 - 2¹⁷ = 11831715437569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11831715568691) 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, 35345535 + ... + 35678708.

It is an arithmetic number, because the mean of its divisors is an integer number (1971988134660).

Almost surely, 2^{11831715568641} is an apocalyptic number.

It is an amenable number.

11831715568641 is a deficient number, since it is larger than the sum of its proper divisors (3944189508639).

11831715568641 is an equidigital number, since it uses as much as digits as its factorization.

11831715568641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71079775.

The product of its digits is 4838400, while the sum is 57.

The spelling of 11831715568641 in words is "eleven trillion, eight hundred thirty-one billion, seven hundred fifteen million, five hundred sixty-eight thousand, six hundred forty-one".