115645063563 has 6 divisors (see below), whose sum is σ = 167042869604. Its totient is φ = 77096709036.

The previous prime is 115645063561. The next prime is 115645063571. The reversal of 115645063563 is 365360546511.

It is a happy number.

115645063563 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 4 + 5 + 0 + 635 + 6 + 3 = 666.

It is not a de Polignac number, because 115645063563 - 2¹ = 115645063561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115645063561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6424725745 + ... + 6424725762.

Almost surely, 2^115645063563 is an apocalyptic number.

115645063563 is a deficient number, since it is larger than the sum of its proper divisors (51397806041).

115645063563 is a wasteful number, since it uses less digits than its factorization.

115645063563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12849451513 (or 12849451510 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 115645063563 in words is "one hundred fifteen billion, six hundred forty-five million, sixty-three thousand, five hundred sixty-three".