12113538585 has 8 divisors (see below), whose sum is σ = 19381661760. Its totient is φ = 6460553904.

The previous prime is 12113538571. The next prime is 12113538599. The reversal of 12113538585 is 58583531121.

It is an interprime number because it is at equal distance from previous prime (12113538571) and next prime (12113538599).

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

It is not a de Polignac number, because 12113538585 - 2¹⁶ = 12113473049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403784605 + ... + 403784634.

It is an arithmetic number, because the mean of its divisors is an integer number (2422707720).

Almost surely, 2^12113538585 is an apocalyptic number.

12113538585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12113538585 is a deficient number, since it is larger than the sum of its proper divisors (7268123175).

12113538585 is an equidigital number, since it uses as much as digits as its factorization.

12113538585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807569247.

The product of its digits is 144000, while the sum is 42.

The spelling of 12113538585 in words is "twelve billion, one hundred thirteen million, five hundred thirty-eight thousand, five hundred eighty-five".