115863554488 has 32 divisors (see below), whose sum is σ = 239993568000. Its totient is φ = 51998600160.

The previous prime is 115863554419. The next prime is 115863554489. The reversal of 115863554488 is 884455368511.

115863554488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×115863554488³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115863554489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8326158 + ... + 8340061.

It is an arithmetic number, because the mean of its divisors is an integer number (7499799000).

Almost surely, 2^115863554488 is an apocalyptic number.

It is an amenable number.

115863554488 is an abundant number, since it is smaller than the sum of its proper divisors (124130013512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115863554488 is a wasteful number, since it uses less digits than its factorization.

115863554488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16666315 (or 16666311 counting only the distinct ones).

The product of its digits is 18432000, while the sum is 58.

The spelling of 115863554488 in words is "one hundred fifteen billion, eight hundred sixty-three million, five hundred fifty-four thousand, four hundred eighty-eight".