11585523243 has 8 divisors (see below), whose sum is σ = 17654130688. Its totient is φ = 6620298984.

The previous prime is 11585523241. The next prime is 11585523283. The reversal of 11585523243 is 34232558511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11585523243 - 2¹ = 11585523241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11585523241) 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, 275845771 + ... + 275845812.

It is an arithmetic number, because the mean of its divisors is an integer number (2206766336).

Almost surely, 2^11585523243 is an apocalyptic number.

11585523243 is a deficient number, since it is larger than the sum of its proper divisors (6068607445).

11585523243 is an equidigital number, since it uses as much as digits as its factorization.

11585523243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551691593.

The product of its digits is 144000, while the sum is 39.

The spelling of 11585523243 in words is "eleven billion, five hundred eighty-five million, five hundred twenty-three thousand, two hundred forty-three".