104621052051540 has 144 divisors (see below), whose sum is σ = 323449736658048. Its totient is φ = 27363115683072.

The previous prime is 104621052051517. The next prime is 104621052051577. The reversal of 104621052051540 is 45150250126401.

104621052051540 is a `hidden beast` number, since 1 + 0 + 4 + 6 + 2 + 10 + 52 + 0 + 51 + 540 = 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 = 104621052051495 and 104621052051504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25805787 + ... + 29583453.

It is an arithmetic number, because the mean of its divisors is an integer number (2246178726792).

Almost surely, 2^{104621052051540} is an apocalyptic number.

104621052051540 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 104621052051540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161724868329024).

104621052051540 is an abundant number, since it is smaller than the sum of its proper divisors (218828684606508).

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

104621052051540 is a wasteful number, since it uses less digits than its factorization.

104621052051540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780638 (or 3780633 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 104621052051540 in words is "one hundred four trillion, six hundred twenty-one billion, fifty-two million, fifty-one thousand, five hundred forty".