12477065563 has 4 divisors (see below), whose sum is σ = 12479197360. Its totient is φ = 12474933768.

The previous prime is 12477065551. The next prime is 12477065609. The reversal of 12477065563 is 36556077421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36556077421 = 145531 ⋅251191.

It is a cyclic number.

It is not a de Polignac number, because 12477065563 - 2²¹ = 12474968411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12477045563) 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, 1057095 + ... + 1068832.

It is an arithmetic number, because the mean of its divisors is an integer number (3119799340).

Almost surely, 2^12477065563 is an apocalyptic number.

12477065563 is a deficient number, since it is larger than the sum of its proper divisors (2131797).

12477065563 is an equidigital number, since it uses as much as digits as its factorization.

12477065563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131796.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 12477065563 in words is "twelve billion, four hundred seventy-seven million, sixty-five thousand, five hundred sixty-three".