104511068640 has 1152 divisors, whose sum is σ = 448846272000. Its totient is φ = 22554132480.

The previous prime is 104511068633. The next prime is 104511068677. The reversal of 104511068640 is 46860115401.

104511068640 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 1 + 1 + 0 + 6 + 8 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 104511068595 and 104511068604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 168838251 + ... + 168838869.

It is an arithmetic number, because the mean of its divisors is an integer number (389623500).

Almost surely, 2^104511068640 is an apocalyptic number.

104511068640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104511068640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224423136000).

104511068640 is an abundant number, since it is smaller than the sum of its proper divisors (344335203360).

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

104511068640 is a wasteful number, since it uses less digits than its factorization.

104511068640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 104511068640 in words is "one hundred four billion, five hundred eleven million, sixty-eight thousand, six hundred forty".