11585381386173 has 16 divisors (see below), whose sum is σ = 17657985168000. Its totient is φ = 6618691431936.

The previous prime is 11585381386157. The next prime is 11585381386177. The reversal of 11585381386173 is 37168318358511.

It is not a de Polignac number, because 11585381386173 - 2⁴ = 11585381386157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11585381386177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63511048 + ... + 63693201.

It is an arithmetic number, because the mean of its divisors is an integer number (1103624073000).

Almost surely, 2^{11585381386173} is an apocalyptic number.

It is an amenable number.

11585381386173 is a deficient number, since it is larger than the sum of its proper divisors (6072603781827).

11585381386173 is a wasteful number, since it uses less digits than its factorization.

11585381386173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127208596.

The product of its digits is 14515200, while the sum is 60.

The spelling of 11585381386173 in words is "eleven trillion, five hundred eighty-five billion, three hundred eighty-one million, three hundred eighty-six thousand, one hundred seventy-three".