12452543155 has 8 divisors (see below), whose sum is σ = 16092517392. Its totient is φ = 9195724128.

The previous prime is 12452543119. The next prime is 12452543221. The reversal of 12452543155 is 55134525421.

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

It is a cyclic number.

It is not a de Polignac number, because 12452543155 - 2⁹ = 12452542643 is a prime.

It is a Duffinian number.

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, 95788729 + ... + 95788858.

It is an arithmetic number, because the mean of its divisors is an integer number (2011564674).

Almost surely, 2^12452543155 is an apocalyptic number.

12452543155 is a deficient number, since it is larger than the sum of its proper divisors (3639974237).

12452543155 is a wasteful number, since it uses less digits than its factorization.

12452543155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191577605.

The product of its digits is 120000, while the sum is 37.

The spelling of 12452543155 in words is "twelve billion, four hundred fifty-two million, five hundred forty-three thousand, one hundred fifty-five".