12452871563 has 4 divisors (see below), whose sum is σ = 13584950808. Its totient is φ = 11320792320.

The previous prime is 12452871553. The next prime is 12452871581. The reversal of 12452871563 is 36517825421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12452871563 - 2⁶ = 12452871499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12452871503) 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, 566039606 + ... + 566039627.

It is an arithmetic number, because the mean of its divisors is an integer number (3396237702).

Almost surely, 2^12452871563 is an apocalyptic number.

12452871563 is a deficient number, since it is larger than the sum of its proper divisors (1132079245).

12452871563 is a wasteful number, since it uses less digits than its factorization.

12452871563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132079244.

The product of its digits is 403200, while the sum is 44.

The spelling of 12452871563 in words is "twelve billion, four hundred fifty-two million, eight hundred seventy-one thousand, five hundred sixty-three".