115563545321 has 8 divisors (see below), whose sum is σ = 139023814080. Its totient is φ = 93841074288.

The previous prime is 115563545299. The next prime is 115563545323. The reversal of 115563545321 is 123545365511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115563545321 is a prime.

It is a super-3 number, since 3×115563545321³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115563545323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434449286 + ... + 434449551.

It is an arithmetic number, because the mean of its divisors is an integer number (17377976760).

Almost surely, 2^115563545321 is an apocalyptic number.

It is an amenable number.

115563545321 is a deficient number, since it is larger than the sum of its proper divisors (23460268759).

115563545321 is an equidigital number, since it uses as much as digits as its factorization.

115563545321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868898863.

The product of its digits is 270000, while the sum is 41.

The spelling of 115563545321 in words is "one hundred fifteen billion, five hundred sixty-three million, five hundred forty-five thousand, three hundred twenty-one".