12452043511 has 4 divisors (see below), whose sum is σ = 12457612152. Its totient is φ = 12446474872.

The previous prime is 12452043497. The next prime is 12452043523. The reversal of 12452043511 is 11534025421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11534025421 = 3203 ⋅3601007.

It is a cyclic number.

It is not a de Polignac number, because 12452043511 - 2¹¹ = 12452041463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12452043511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452044511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780965 + ... + 2785438.

It is an arithmetic number, because the mean of its divisors is an integer number (3114403038).

Almost surely, 2^12452043511 is an apocalyptic number.

12452043511 is a deficient number, since it is larger than the sum of its proper divisors (5568641).

12452043511 is an equidigital number, since it uses as much as digits as its factorization.

12452043511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568640.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 12452043511 its reverse (11534025421), we get a palindrome (23986068932).

The spelling of 12452043511 in words is "twelve billion, four hundred fifty-two million, forty-three thousand, five hundred eleven".