81104548002 has 16 divisors (see below), whose sum is σ = 167441647872. Its totient is φ = 26162757360.

The previous prime is 81104547977. The next prime is 81104548009. The reversal of 81104548002 is 20084540118.

It is not an unprimeable number, because it can be changed into a prime (81104548009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218022793 + ... + 218023164.

It is an arithmetic number, because the mean of its divisors is an integer number (10465102992).

Almost surely, 2^81104548002 is an apocalyptic number.

81104548002 is an abundant number, since it is smaller than the sum of its proper divisors (86337099870).

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

81104548002 is a wasteful number, since it uses less digits than its factorization.

81104548002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436045993.

The product of its (nonzero) digits is 10240, while the sum is 33.

The spelling of 81104548002 in words is "eighty-one billion, one hundred four million, five hundred forty-eight thousand, two".