12345052563 has 32 divisors (see below), whose sum is σ = 18747086400. Its totient is φ = 8024140800.

The previous prime is 12345052549. The next prime is 12345052583. The reversal of 12345052563 is 36525054321.

12345052563 is a `hidden beast` number, since 1 + 2 + 3 + 45 + 0 + 52 + 563 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12345052563 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12345052513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2522623 + ... + 2527511.

It is an arithmetic number, because the mean of its divisors is an integer number (585846450).

Almost surely, 2^12345052563 is an apocalyptic number.

12345052563 is a deficient number, since it is larger than the sum of its proper divisors (6402033837).

12345052563 is a wasteful number, since it uses less digits than its factorization.

12345052563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220 (or 7214 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 12345052563 in words is "twelve billion, three hundred forty-five million, fifty-two thousand, five hundred sixty-three".