115561463163 has 8 divisors (see below), whose sum is σ = 154102560768. Its totient is φ = 77030670504.

The previous prime is 115561463107. The next prime is 115561463191. The reversal of 115561463163 is 361364165511.

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

It is not a de Polignac number, because 115561463163 - 2¹² = 115561459067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115561463663) 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, 2550031 + ... + 2594952.

It is an arithmetic number, because the mean of its divisors is an integer number (19262820096).

Almost surely, 2^115561463163 is an apocalyptic number.

115561463163 is a deficient number, since it is larger than the sum of its proper divisors (38541097605).

115561463163 is an equidigital number, since it uses as much as digits as its factorization.

115561463163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152473.

The product of its digits is 194400, while the sum is 42.

The spelling of 115561463163 in words is "one hundred fifteen billion, five hundred sixty-one million, four hundred sixty-three thousand, one hundred sixty-three".