81103410150 has 96 divisors (see below), whose sum is σ = 230004469248. Its totient is φ = 18527097600.

The previous prime is 81103410149. The next prime is 81103410163. The reversal of 81103410150 is 5101430118.

It is a self number, because there is not a number n which added to its sum of digits gives 81103410150.

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 1850490 + ... + 1893810.

It is an arithmetic number, because the mean of its divisors is an integer number (2395879888).

Almost surely, 2^81103410150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 81103410150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115002234624).

81103410150 is an abundant number, since it is smaller than the sum of its proper divisors (148901059098).

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

81103410150 is a wasteful number, since it uses less digits than its factorization.

81103410150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45126 (or 45121 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 81103410150 its reverse (5101430118), we get a palindrome (86204840268).

The spelling of 81103410150 in words is "eighty-one billion, one hundred three million, four hundred ten thousand, one hundred fifty".