16105541555500 has 24 divisors (see below), whose sum is σ = 35174502758304. Its totient is φ = 6442216622000.

The previous prime is 16105541555483. The next prime is 16105541555501. The reversal of 16105541555500 is 555514550161.

It is not an unprimeable number, because it can be changed into a prime (16105541555501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16105541056 + ... + 16105542055.

It is an arithmetic number, because the mean of its divisors is an integer number (1465604281596).

Almost surely, 2^{16105541555500} is an apocalyptic number.

16105541555500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16105541555500 is an abundant number, since it is smaller than the sum of its proper divisors (19068961202804).

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

16105541555500 is a wasteful number, since it uses less digits than its factorization.

16105541555500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32211083130 (or 32211083118 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 43.

The spelling of 16105541555500 in words is "sixteen trillion, one hundred five billion, five hundred forty-one million, five hundred fifty-five thousand, five hundred".