12155453184 has 144 divisors (see below), whose sum is σ = 37442155520. Its totient is φ = 3428904960.

The previous prime is 12155453173. The next prime is 12155453207. The reversal of 12155453184 is 48135455121.

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, 410394 + ... + 439014.

Almost surely, 2^12155453184 is an apocalyptic number.

12155453184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12155453184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18721077760).

12155453184 is an abundant number, since it is smaller than the sum of its proper divisors (25286702336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12155453184 is an equidigital number, since it uses as much as digits as its factorization.

12155453184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28726 (or 28712 counting only the distinct ones).

The product of its digits is 96000, while the sum is 39.

The spelling of 12155453184 in words is "twelve billion, one hundred fifty-five million, four hundred fifty-three thousand, one hundred eighty-four".