11655868441165 has 16 divisors (see below), whose sum is σ = 15063078070656. Its totient is φ = 8607347899200.

The previous prime is 11655868441111. The next prime is 11655868441187. The reversal of 11655868441165 is 56114486855611.

It is not a de Polignac number, because 11655868441165 - 2¹³ = 11655868432973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9570130 + ... + 10719100.

It is an arithmetic number, because the mean of its divisors is an integer number (941442379416).

Almost surely, 2^{11655868441165} is an apocalyptic number.

It is an amenable number.

11655868441165 is a deficient number, since it is larger than the sum of its proper divisors (3407209629491).

11655868441165 is a wasteful number, since it uses less digits than its factorization.

11655868441165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305060.

The product of its digits is 27648000, while the sum is 61.

The spelling of 11655868441165 in words is "eleven trillion, six hundred fifty-five billion, eight hundred sixty-eight million, four hundred forty-one thousand, one hundred sixty-five".