104718521020 has 48 divisors (see below), whose sum is σ = 220472461440. Its totient is φ = 41780189696.

The previous prime is 104718520969. The next prime is 104718521027. The reversal of 104718521020 is 20125817401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104718521027) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18011634 + ... + 18017446.

It is an arithmetic number, because the mean of its divisors is an integer number (4593176280).

Almost surely, 2^104718521020 is an apocalyptic number.

104718521020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104718521020 is an abundant number, since it is smaller than the sum of its proper divisors (115753940420).

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

104718521020 is a wasteful number, since it uses less digits than its factorization.

104718521020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7974 (or 7972 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The spelling of 104718521020 in words is "one hundred four billion, seven hundred eighteen million, five hundred twenty-one thousand, twenty".