115017820555 has 8 divisors (see below), whose sum is σ = 150568783344. Its totient is φ = 83649324000.

The previous prime is 115017820523. The next prime is 115017820613. The reversal of 115017820555 is 555028710511.

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

It is not a de Polignac number, because 115017820555 - 2⁵ = 115017820523 is a prime.

It is a super-3 number, since 3×115017820555³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045616496 + ... + 1045616605.

It is an arithmetic number, because the mean of its divisors is an integer number (18821097918).

Almost surely, 2^115017820555 is an apocalyptic number.

115017820555 is a deficient number, since it is larger than the sum of its proper divisors (35550962789).

115017820555 is a wasteful number, since it uses less digits than its factorization.

115017820555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091233117.

The product of its (nonzero) digits is 70000, while the sum is 40.

The spelling of 115017820555 in words is "one hundred fifteen billion, seventeen million, eight hundred twenty thousand, five hundred fifty-five".