81017601516110 has 32 divisors (see below), whose sum is σ = 169809398764992. Its totient is φ = 27253360293120.

The previous prime is 81017601516109. The next prime is 81017601516127. The reversal of 81017601516110 is 1161510671018.

81017601516110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10918810511 + ... + 10918817930.

It is an arithmetic number, because the mean of its divisors is an integer number (5306543711406).

Almost surely, 2^{81017601516110} is an apocalyptic number.

81017601516110 is an abundant number, since it is smaller than the sum of its proper divisors (88791797248882).

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

81017601516110 is a wasteful number, since it uses less digits than its factorization.

81017601516110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21837628508.

The product of its (nonzero) digits is 10080, while the sum is 38.

The spelling of 81017601516110 in words is "eighty-one trillion, seventeen billion, six hundred one million, five hundred sixteen thousand, one hundred ten".