115663521353 has 8 divisors (see below), whose sum is σ = 119112835200. Its totient is φ = 112263838128.

The previous prime is 115663521341. The next prime is 115663521397. The reversal of 115663521353 is 353125366511.

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

It is a cyclic number.

It is not a de Polignac number, because 115663521353 - 2²⁰ = 115662472777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115663521353.

It is not an unprimeable number, because it can be changed into a prime (115663521053) 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, 12402926 + ... + 12412247.

It is an arithmetic number, because the mean of its divisors is an integer number (14889104400).

Almost surely, 2^115663521353 is an apocalyptic number.

It is an amenable number.

115663521353 is a deficient number, since it is larger than the sum of its proper divisors (3449313847).

115663521353 is an equidigital number, since it uses as much as digits as its factorization.

115663521353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24815311.

The product of its digits is 243000, while the sum is 41.

Adding to 115663521353 its reverse (353125366511), we get a palindrome (468788887864).

The spelling of 115663521353 in words is "one hundred fifteen billion, six hundred sixty-three million, five hundred twenty-one thousand, three hundred fifty-three".