11655873056447 has 8 divisors (see below), whose sum is σ = 11671753877280. Its totient is φ = 11639998247680.

The previous prime is 11655873056293. The next prime is 11655873056489. The reversal of 11655873056447 is 74465037855611.

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 11655873056447 - 2²⁴ = 11655856279231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11655873056447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11655873056647) 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, 2383958 + ... + 5384700.

It is an arithmetic number, because the mean of its divisors is an integer number (1458969234660).

Almost surely, 2^{11655873056447} is an apocalyptic number.

11655873056447 is a deficient number, since it is larger than the sum of its proper divisors (15880820833).

11655873056447 is an equidigital number, since it uses as much as digits as its factorization.

11655873056447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006033.

The product of its (nonzero) digits is 84672000, while the sum is 62.

The spelling of 11655873056447 in words is "eleven trillion, six hundred fifty-five billion, eight hundred seventy-three million, fifty-six thousand, four hundred forty-seven".